Perhaps you should try some spelling variations:
la litterature » a literature
filosofia la » filosofia da, filosofia le, filosofica da
der studium » oder studium, dem studium, des studium
studium la » studium a, studium als, studium das

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 OR text) der studium la filosofia la litterature".
• Adding a wildcard symbol may retrieve word variants: (test OR text) der studium la filosofia la litterature*.