Perhaps you should try some spelling variations:
da literature » a literature, da literatura, la literature
del filosofia » de filosofia, della filosofia, e filosofia
filosofia da » filosofia de, filosofia del, filosofia e
lo studio » _ studio, di studio
tesi » test, teso, temi

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 ((allo studio) OR (lo studio)) del filosofia da literature*".