Need HElp about Lucene missmatches missing

Hi all !

I’m a wiki user and I have some issue with the search tool Lucene.

With the tool I’m searching for a single word : “GEMO”.
this word exist in the main wiki webhome and also in other workspaces pages.

Lucene finds it only in the main page … I’ve check my research was on all workspaces …

Any idea ?