Perhaps you should try some spelling variations:
das filosofica » da filosofia, vida filosofica, la filosofia
duale studium » duales studium, dualen studium, das studium
studium das » studium des, studium der, studium die
test duale » test double, test delle, test orale

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

• Adding a wildcard symbol may retrieve word variants: test duale studium das filosofica _ literatura*.