Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
2 filosofica » e filosofia, a filosofia, y filosofia
e filosofica » e filosofia, e filosofiche, a filosofia
vivo studie » vivo studies, vivo study
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 ((2 filosofica) OR (e filosofica)) la literatura".
• Adding a wildcard symbol may retrieve word variants: test vivo studie ((2 filosofica) OR (e filosofica)) la literatura*.