Gym.search({
                    "query" : {
                        "multi_match": {
                            "fields": ["multi_field"],
                            "query": req.query.q,
                            "fuzziness": "AUTO"
                        }
                    }
                },
                function (err, results) {
                    if (err) {
                        return console.log(JSON.stringify(err, null, 4));
                    }
                    return console.log(JSON.stringify(results, null, 4));
                });