Perhaps you should try some spelling variations:
la litterature » a literature
das filosofia » da filosofia, la filosofia, di filosofia
filosofia la » filosofia da, filosofia le, filosofica da
studium das » studium des, studium der, studium die
testen das » testen des, westen das
testen der » besten der

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: ((testen das) OR (testen der)) studium das filosofia la litterature*.