id (integer)
 name (string)
 email (string)
 phone (string)
 codeMeli (string)

userId (integer)
adminId (integer)

| id | name | email | phone | codeMeli |            | userid | adminid |
 ---- ------ ------- ------- ----------              -------- ---------
| 5  | mike | m@yaho| 12345 | 12345678 |            |   6    |    5    |
| 6  | sara | s@yaho| 54321 | 87654321 |            |   7    |    5    |
| 7  | joe  | j@yaho| 56421 | 65875234 |            |   7    |    8    |
| 8  | sag  | s@yaho| 57635 | 64616843 |

Users::select('id','name','email','codeMeli','phone')
       ->join('user_admin','user_admin.userid','=','users.id')
       ->whereRaw("name LIKE '%".$name."%' and email LIKE '%".$email."%' and codeMeli LIKE '%".$codeMeli."%' and phone LIKE '%".$phone."%' and user_admin.adminid=".$CurrentUSerID)
       ->get();

<?php
namespace App;
use IlluminateDatabaseEloquentModel;

class Users extends Model
{
    protected $table = 'users';
    public $timestamps = false;
    protected $fillable = ['name','phone','email','codeMeli','admin'];

    public function userAdmin()
    {
        return $this->belongsToMany('AppUserAdmin','id','userid');
    }
}

<?php
namespace App;
use IlluminateDatabaseEloquentModel;

class UserAdmin extends Model
{
    protected $table = 'user_admin';
    public $timestamps = false;
    protected $fillable = ['userid','adminid'];

    public function users()
    {
       return $this->belongsToMany('AppUsers','id','adminid');
    }
}