{ "query": { "match" : { "name": "abcd" } } }
Hits: {
"_index" : "index_uniq_v5",
"_type" : "Playlist",
"_id" : "49680",
"_score" : 0.5945348,
"_source" : {
"name" : "abcd",
"ratin" : 4
}
}, {
"_index" : "index_uniq_v5",
"_type" : "Playlist",
"_id" : "49682",
"_score" : 0.5945348,
"_source" : {
"name" : "abcdeert",
"ratin" : 4
}
}
If see _explain all details have equal value. And fieldNorm too 
Why scores are equal?