Search only in Pages

Hello, I recently brought your beautiful plugin, but I have difficulties in forcing it to search only in Pages content and title. I tried in the following:
– set “search in pages” as a search condition in Frontend Search Settings panel
– unchecked, in General Options panel, the options Search in post & Search in post excerpts
– enabled “pages with categories/tags in Advanced options.
I keep on getting posts and events (I use Events calendar by Timely) in search results.
Please help..

PS:
1. the search caching is disabled.
2. I get as a search results some old posts that are not present in my WP panel, it seems that the plugin browse old files