public function search(Request $request)
    {

      $res = (new BestCategory)->newQuery();

      $q = $request->q;
      $q = explode(' ', $q);

      $res->where('title', 'like', '%'.$q[0].'%')->orWhere('description', 'like', '%'.$q[0].'%');

      for ($i=1; $i < count($q); $i++) {
        $res->orWhere('title', 'like', '%'.$q[$i].'%');
        $res->orWhere('description', 'like', '%'.$q[$i].'%');
      }

      return $res->get();

    }