Perhaps you should try some spelling variations:
der filosofia » de filosofia, e filosofia, di filosofia
la literatura » la litterature, a literature
data studium » das studium, data studies, data studio
filosofia la » filosofia da, filosofia le, filosofica da

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (test OR text) data studium der filosofia la literatura.
• Adding a wildcard symbol may retrieve word variants: (test or text) data studium der filosofia la literatura*.