Perhaps you should try some spelling variations:
der filosofia » de filosofia, e filosofia, da filosofia
di filosofia » la filosofia, e filosofia
e literatura » de literatura, y literatura, e literatur
based scale » based scene, based sales, based scalable
best scale » bast scale, rest scale, burst scale

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: ((best scale) OR (based scale)) student ((der filosofia) OR (di filosofia)) e literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((best scale) or (based scale)) student ((der filosofia) OR (di filosofia)) e literatura".
• Adding a wildcard symbol may retrieve word variants: ((best scale) or (based scale)) student ((der filosofia) OR (di filosofia)) e literatura*.