Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
vivo studies » vitro studies
vivo studie » vivo study
e filosofia » la filosofia
filosofia a » filosofia da, filosofia la, filosofia e

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: "test ((vivo studie) OR (vivo studies)) e filosofia a literatura*".