Perhaps you should try some spelling variations:
une litterature » de litterature, en litterature, one literature
filosofia une » filosofia de, filosofia e, filosofia en
studium das » studium des, studium der, studium die
studium da » studium a, studium d, studium der
test das » test des, test day, west das

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 das ((studium da) OR (studium das)) filosofia une litterature.
• Adding a wildcard symbol may retrieve word variants: test das ((studium da) or (studium das)) filosofia une litterature*.