Perhaps you should try some spelling variations:
e filosofiche » ve filosoficke, e filosofica, e filosofie
e filosofico » e filosofica, y filosofico, y filosoficos
a literatura » la literatura, a literature, y literatura
d studie » d studies, 4d studie, 1 studie
test d » test de, test do, test der

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 d studie ((e filosofico) OR (e filosofiche)) a literatura".
• Adding a wildcard symbol may retrieve word variants: test d studie ((e filosofico) OR (e filosofiche)) a literatura*.