Perhaps you should try some spelling variations:
y literatura » la literatura
de filosofia » di filosofia, la filosofia, a filosofia
e filosofia » la filosofia
geist das » geist des, ist das, geist der
bist das » ist das, list das, brust 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: ((bist das) OR (geist das)) studio ((de filosofia) OR (e filosofia)) y literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bist das) OR (geist das)) studio ((de filosofia) or (e filosofia)) y literatura".
• Adding a wildcard symbol may retrieve word variants: ((bist das) OR (geist das)) studio ((de filosofia) or (e filosofia)) y literatura*.