match.json

//match query retrieves all documents which has a title like 'Japan%'
{
    "_source":["id","name"],
    "query":{
        "match":{
            "title": "Japan"
        }
    }
}

//match phrase retrieves all documents which matches the complete phrase "Japan is a leader in"
{
    "_source":["id","name"],
    "query":{
        "match_phrase":{
            "title": "Japan is a leader in"
        }
    }
}