Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
scale studien » scale studies, scale student, duale studien
dd filosofia » de filosofia, da filosofia, la filosofia
di filosofia » la filosofia, e filosofia
texto scale » femto scale, texture scale, texto social

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "texto scale studien ((dd filosofia) OR (di filosofia)) de literatura*".