Perhaps you should try some spelling variations:
das filosofica » da filosofia, vida filosofica, la filosofia
da litterature » la litterature, a litterature, a literature
de litterature » la litterature, et litterature
studium das » studium des, studium der, studium die
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 das filosofica ((da litterature) OR (de litterature))".
• Adding a wildcard symbol may retrieve word variants: test d studium das filosofica ((da litterature) OR (de litterature))*.