public function searchText()
    {
        $query = $this->newQuery();
        if (Request::get('admin_text_search')) {
            foreach ($this->adminFilters['text_search']['db_fields'] as $field) {
                $query->orWhere($field, 'LIKE', '%'.Request::get('admin_text_search').'%');
            }
        }

        return $query;
    }