Perhaps you should try some spelling variations:
la literature » la litterature, a literature, la literatura
filosofia la » filosofia da, filosofia le, filosofica da
studium im » studium die, studium _, studium 1
test furs » test fur, test first, test forms
studium 3 » studium _, studium 1, studium 8

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 furs ((studium 3) OR (studium im)) filosofia la literature.
• Adding a wildcard symbol may retrieve word variants: test furs ((studium 3) or (studium im)) filosofia la literature*.