Elasticsearch : search query and get back search hits uncomplete

Elastic Stack Elasticsearch
1

i try to execute a search query and get back search hits that match the query.

 curl -XGET 'http://localhost:9200/logstash-log-*/log/_search?q=user:kimchy'

i can get the search hits,but why the hits results didn't get all record,
for example,
it's should have logstash-log-2016.06.01 document,but it's didn't get the record,
is it have default setting about search query to get all record ?

Please help me out.