Perhaps you should try some spelling variations:
1 filosofico » y filosofico, y filosoficos, e filosofica
filosofico a » filosofico e, filosofica da, filosofico de
a literatura » la literatura, a literature, y literatura
test via » test vdat, test von
studie 1 » studie 2, studie _
test v » test 2, test 1, test von

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 via) OR (test v)) studie 1 filosofico a literatura".
• Adding a wildcard symbol may retrieve word variants: ((test via) OR (test v)) studie 1 filosofico a literatura*.