Perhaps you should try some spelling variations:
del filosofia » de filosofia, della filosofia, e filosofia
de literature » de litterature, de lite'rature, de literatura
filosofia de » filosofia del
allo studio » lo studio
studio del » estudio del, studio della, studio delle

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 temi) allo studio del filosofia de literature*".