Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
eestudio del » estudio de, estudios del, studio del
filosofia de » filosofia del
estudio del » estudios del, estudio de, studio della
estudios de » estudio de
bist das » ist das, geist das, brust das
list das » ist das, list des, kleist 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 (list das)) ((estudio del) OR (((eestudio del) OR (estudios de)))) filosofia de literatura.
• Adding a wildcard symbol may retrieve word variants: ((bist das) or (list das)) ((estudio del) or (((eestudio del) or (estudios de)))) filosofia de literatura*.