@realblackmario
I showed you that example to help you to recognize, how your setup could work in your project.
How to use the example, to see my suggested functionality???
- Load the —> MAIN-DB.

- Navigate to the SEARCH-FIELD.

- By entering the SEARCH-Field, a new options-window will appear, to ask for wished DATAFIELD, to search in for results.

Choose the right DATAFIELD where you want to search for items.
- Type in several values into the SEARCH-FIELD, to search for…
“Donald” “Angela” —> if you seearch in the —> “vorname” <— DATAFIELD

-
Entered values sepparated by a —> SPACE!
-
Take a look onto seruslts.