Perhaps you should try some spelling variations:
scaled studien » scale studies, scale student
del literatura » de literatura, pela literatura, da literatura
scale studien » scale studies, scale student, duale studien
de filosofia » e filosofia, di filosofia, la filosofia

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: sets ((scaled studien) OR (scale studien)) de filosofia del literatura.
• Adding a wildcard symbol may retrieve word variants: sets ((scaled studien) or (scale studien)) de filosofia del literatura*.