Perhaps you should try some spelling variations:
die filosofia » di filosofia, de filosofia, e filosofia
di literatura » de literatura, da literatura, ii literatura
filosofia di » filosofia de, filosofia da, filosofia del
safe studie » safe studio, case studie, safe stupid
life studie » life studies, life study, life stories

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: "tests ((safe studie) OR (life studie)) die filosofia di literatura*".