Perhaps you should try some spelling variations:
vivo studie » vivo studies, vivo study
filosofia a » filosofia da, filosofia la, filosofia _
filosofia e » filosofia de, filosofia del
test vivo » test video, test via, test viii

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 _ ((filosofia a) OR (filosofia e)) literatura*".