Perhaps you should try some spelling variations:
del literature » model literature, abel literature, fuel literature
dem studium » das studium, im studium, zum studium
studium la » studium a, studium als, studium das
test dem » test der, test des, test de

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

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