Perhaps you should try some spelling variations:
duales studium » das studium
das filosofia » da filosofia, la filosofia, di filosofia
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
studium das » studium des, studium der, studium die

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: "(testo OR test) duales studium das filosofia de literatura".
• Adding a wildcard symbol may retrieve word variants: (testo OR test) duales studium das filosofia de literatura*.