Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
filosofia le » filosofia de, filosofia e, filosofia del
testi della » test della, testa della, reti della
testi delle » tesi delle, test delle, test della

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: "((testi della) OR (testi delle)) studien _ filosofia le literatura".
• Adding a wildcard symbol may retrieve word variants: ((testi della) OR (testi delle)) studien _ filosofia le literatura*.