Perhaps you should try some spelling variations:
del literature » model literature, abel literature, fuel literature
die filosofia » di filosofia, de filosofia, e filosofia
studium die » studium der, studium des
i studium » im studium, ii studium, iv studium
test i » test ii, test 1

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

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