Perhaps you should try some spelling variations:
del litterature » de litterature, des litteratures, et litterature
da filosofia » la filosofia, di filosofia, a filosofia
de studium » dem studium, des studium, d studium
studium da » studium das, studium a, studium d

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

• Adding a wildcard symbol may retrieve word variants: est de studium da filosofia del litterature*.