Perhaps you should try some spelling variations:
da filosofica » da filosofia, vida filosofica, la filosofia
filosofica da » filosofia da, filosofia de, filosofia di
da literatura » la literatura, a literatura, de literatura
studium da » studium das, studium a, studium d
test d » test de, test do, test des

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 d) OR (test der)) studium da filosofica da literatura.
• Adding a wildcard symbol may retrieve word variants: ((test d) or (test der)) studium da filosofica da literatura*.