Perhaps you should try some spelling variations:
la litterature » a literature
filosofia la » filosofia da, filosofia le, filosofica da
studium la » studium a, studium als, studium das
test im » test i, test ii, test iv

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((test im) OR (fest im)) studium la filosofia la litterature.
• Adding a wildcard symbol may retrieve word variants: ((test im) or (fest im)) studium la filosofia la litterature*.