Trying to search 1-1 (one to one) email conversations between 2 users using Disconvery accelerator

[AmitReddy]

We are trying to search 1-1 (one to one) email conversations between 2 users using Disconvery accelerator 11.0.1.

But the search results include the emails from sender and Recipient listed in "To", "CC", "BCC" and "Member of a DL". 

Any suggestings/modifcations to be made in the search query to filter email conversations betwen the Sender and Recipient only.

Thanks.

[WiTSend]

Two searches.  Identify the sender and recipient in one search and reverse it for the second search.