Perhaps you should try some spelling variations:
di filosofia » la filosofia, e filosofia
e literatura » de literatura, y literatura, e literatur
filosofia e » filosofia de, filosofia del
lis spaces » list spaces, lcs spaces, bias spaces
studie di » studie die, studie d, studie de
lens » les, less

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: "((lis spaces) OR (lens spaces)) studie di filosofia e literatura".
• Adding a wildcard symbol may retrieve word variants: ((lis spaces) OR (lens spaces)) studie di filosofia e literatura*.