Perhaps you should try some spelling variations:
der filosofia » de filosofia, e filosofia, di filosofia
filosofia e » filosofia de, filosofia del
e literatur » die literatur
studio der » studio oder, studio del, studio dei
lo studio » _ studio, di studio

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: (tesi OR temi) lo studio der filosofia e literatur*.