custom post type taxonomy parent terms sub terms search

<?php
/*
Template Name: Applications
*/



get_header(); ?>

<div id="ppagewrapper" >


<?php
if(isset($_POST['submit']))
{
    $name = $_POST['rrr'];
    echo '<div style="margin:0 auto; width:100%; padding-bottom:5px; padding-top:15px; font-size:22px; color:#000;">You have searched for <span style="color:#EE2626;">' . $name .'</span>. Here are the results.</div>';

?>



<?php
$taxonomy = 'apptypes';
$appargs = array( 'hide_empty' => 0, 'parent' => 0 );

//list terms in a given taxonomy
$appterms = get_terms($taxonomy,$appargs);
?>

<?php
foreach ($appterms as $appterm) {
$termID = $appterm->term_id;
$taxonomyName = $taxonomy;
$termchildren = get_term_children( $termID, $taxonomyName );
foreach ($termchildren as $child) {
    $termsub = get_term_by( 'id', $child, $taxonomyName );
    $apppterm = strtolower($appterm->name);
    $name = strtolower($name);

if (strpos($apppterm, $name) === false  ) {
} else {

    echo '<div style="margin:0 auto; width:100%; padding-bottom:5px; padding-top:15px; font-size:26px; color:#EE2626;">' . $appterm->name .'</div>';
    echo $termsub->name;


     $wpq = array (
    'taxonomy' => $taxonomy,
    'order' => 'ASC',
    'term' => $termsub->slug
);
$query = new WP_Query ($wpq);
$article_count = $query->post_count;
echo '<table width="98%" border="0" cellspacing="0" cellpadding="5"  class="customtable">
  <tr class="customhead">
    <td align="left" valign="top">Year</td>
    <td align="left" valign="top">Kit Name</td>
    <td align="left" valign="top">Kit</td>
  </tr>
  <tr><td colspan="3">'.term_description($termsub->term_id,$taxonomyName) .'</td></tr>';

if ($article_count) {
$posts = $query->posts;
foreach ($posts as $post) {
include(MY_THEME_FOLDER . '/appsloop.php');
}
}
echo ' </table>';

}



} }
?>
<br /><br />



<?php } else { ?>

<form method="post" action="http://wpguru.in/themes/prothane/vehicle-applications/">
   <table width="400" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td>Search by Manufacture:</td>
    <td><input type="text" name="rrr" ></td>
    <td><input type="submit" name="submit" value="Search"></td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>(Ex:Acura)</td>
    <td>&nbsp;</td>
  </tr>
</table>
</form>
<?php
$taxonomy = 'apptypes';
// if show all is set
if( isset($_GET['showall']) ):
    $args = array( 'hide_empty' => 0 );
else:
// else show paged
    $page = ( get_query_var('paged') ) ? get_query_var( 'paged' ) : 1;
    // number of tags to show per-page
    $per_page = 2;
    $offset = ( $page-1 ) * $per_page;
    $appargs = array( 'number' => $per_page, 'offset' => $offset, 'hide_empty' => 0, 'parent' => 0 );
endif;
//list terms in a given taxonomy
$appterms = get_terms($taxonomy,$appargs);
?>

<?php
foreach ($appterms as $appterm) {

$termID = $appterm->term_id;
$taxonomyName = $taxonomy;
$termchildren = get_term_children( $termID, $taxonomyName );
foreach ($termchildren as $child) {
    $termsub = get_term_by( 'id', $child, $taxonomyName );
    echo '<div style="margin:0 auto; width:100%; padding-bottom:5px; padding-top:15px; font-size:26px; color:#EE2626;">' . $appterm->name.'</div>';
    echo ''.$termsub->name.'';





     $wpq = array (
    'taxonomy' => $taxonomy,
    'order' => 'ASC',
    'term' => $termsub->slug
);
$query = new WP_Query ($wpq);
$article_count = $query->post_count;
echo '<table width="98%" border="0" cellspacing="0" cellpadding="5"  class="customtable">
  <tr class="customhead">
    <td align="left" valign="top">Year</td>
    <td align="left" valign="top">Kit Name</td>
    <td align="left" valign="top">Kit</td>
  </tr>
  <tr><td colspan="3">'.term_description($termsub->term_id,$taxonomyName) .'</td></tr>';

if ($article_count) {
$posts = $query->posts;
foreach ($posts as $post) {
include(MY_THEME_FOLDER . '/appsloop.php');
}
}
echo ' </table>';






    echo '';
} }
?>
<br /><br />

<?php
$Path=home_url( '/' );
$URI= $Path.'vehicle-applications/';

?>

<?php if( !isset($_GET['showall']) ):
    $total_terms = wp_count_terms( 'apptypes', $appargs );
    $pages = ceil($total_terms/$per_page);
    // if there's more than one page
    if( $pages > 1 ):
        for ($pagecount=1; $pagecount <= $pages; $pagecount++):
            echo '<a href="'.$URI.'page/'.$pagecount.'/" style="padding:5px;">'.$pagecount.'</a> ';
        endfor;
        // link to show all
        echo '<a href="'.$URI.'?showall=true">show all</a>';
    endif;
else:
// showall is set, show link to get back to paged mode
    echo '<a href="'.$URI.'">show paged</a>';
endif;

}
?>



  </div>




<?php get_footer(); ?>