Perhaps you should try some spelling variations:
da literature » a literature, da literatura, la literature
filosofia da » filosofia de, filosofia del, filosofia e
studium als » studium des
studium la » studium a, studium das, studium _
test dem » test der, test des, test de

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

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