Perhaps you should try some spelling variations:
allo studio » lo studio
e filosofia » la filosofia
filosofia e » filosofia de, filosofia del
e literatur » die literatur
studio e » studio et, studio _, studio a

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: "(tesi OR test) allo studio e filosofia e literatur*".