public function suggest($keyword)
    {
        if (!empty($keyword)) {
            $ch = curl_init(sprintf($this->_googleSuggestApiUrl, $keyword));
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: text/json'));
            $result = json_decode(curl_exec($ch), true);
            curl_close($ch);    

            return $result[1];

        }
        return false;
    }