Perhaps you should try some spelling variations:
da litterature » de litterature, a litterature, a literature
la litterature » a literature
e filosofica » e filosofia, e filosofiche, a filosofia
test die » test de, west die, test drive
studie e » studie 2, studie _, studie 1
test d » test de, test do, test der

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((test die) OR (test d)) studie e filosofica ((da litterature) OR (la litterature)).
• Adding a wildcard symbol may retrieve word variants: ((test die) or (test d)) studie e filosofica ((da litterature) or (la litterature))*.