Perhaps you should try some spelling variations:
del literatur » model literatur, teil literatur, igel literatur
scale studien » scale studies, scale student, duale studien
di filosofia » la filosofia, e filosofia
texto scale » femto scale, texture scale, texto social
a filosofia » la filosofia, e 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: texto scale studien ((di filosofia) OR (a filosofia)) del literatur*.