Fetch unique combination of multiple field values in search

I am new to elasticsearch. I want to get unique combination of multiple
fields values in search result of elasticsearch.

Please let me know how can we execute such query.

Thanks in advance

--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to elasticsearch+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/25103e11-6be1-4981-9dd4-19a5df49383e%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.