Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
studium e » studium 1, studium 3, studium 5
studium 8 » studium 1, studium 3, studium im
test dem » test der, test des, test de

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 dem ((((studium e) OR (studium _))) OR (studium 8)) filosofia la literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "test dem ((((studium e) OR (studium _))) or (studium 8)) filosofia la literatura".
• Adding a wildcard symbol may retrieve word variants: test dem ((((studium e) OR (studium _))) or (studium 8)) filosofia la literatura*.