Change WooCommerce Shipping and Handling Text

// change shipping and handling text to "Delivery Charges"
// Add this to your functions.php

add_filter('gettext', 'translate_reply');
add_filter('ngettext', 'translate_reply');

function translate_reply($translated) {
$translated = str_ireplace('Shipping and Handling', 'Delivery Charges', $translated);
return $translated;
}