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

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) duale studium das filosofia e literatura*".