The search result will also include all messages related to participants who had the same nickname.You can differenciate them by comparing [JID](https://xmpp.org/extensions/xep-0029.html) and [occupant-id](https://xmpp.org/extensions/xep-0421.html).
The search result will also include all messages related to participants who had the same nickname.You can differenciate them by comparing [JID](https://xmpp.org/extensions/xep-0029.html) and [occupant-id](https://xmpp.org/extensions/xep-0421.html).