Perhaps you should try some spelling variations:
scales studien » scale studien, scale studies, scale student
da filosofia » di filosofia, a filosofia, de filosofia
e literatura » de literatura, y literatura, e literatur
belt scales » belt scale, belt scars, about scales

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: "belt scales studien ((da filosofia) OR (la filosofia)) e literatura".
• Adding a wildcard symbol may retrieve word variants: belt scales studien ((da filosofia) OR (la filosofia)) e literatura*.