Perhaps you should try some spelling variations:
et litterature » la litterature, art literature
en litterature » une litterature, la litterature, de litterature
die filosofia » di filosofia, de filosofia, e filosofia
studium die » studium der, studium des
d studium » _ studium, 2 studium, 4 studium
test d » test de, test do, test der

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: "test d studium die filosofia ((en litterature) OR (et litterature))".
• Adding a wildcard symbol may retrieve word variants: test d studium die filosofia ((en litterature) OR (et litterature))*.