Perhaps you should try some spelling variations:
da literatura » la literatura, a literatura, de literatura
ii filosofia » la filosofia, a filosofia, y filosofia
di filosofia » la filosofia
e filosofia » la filosofia
test das » test des, test day, west das

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 das studium ((ii filosofia) OR (((di filosofia) OR (e filosofia)))) da literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "test das studium ((ii filosofia) or (((di filosofia) OR (e filosofia)))) da literatura".
• Adding a wildcard symbol may retrieve word variants: test das studium ((ii filosofia) or (((di filosofia) OR (e filosofia)))) da literatura*.