Perhaps you should try some spelling variations:
duales studium » das studium
del literatur » model literatur, teil literatur, igel literatur
test duales » test doubles, test rules, test oracles
studium la » studium a, studium als, studium das

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

• Adding a wildcard symbol may retrieve word variants: test duales studium la filosofia del literatur*.