Perhaps you should try some spelling variations:
scale studien » scale studies, scale student, soziale studien
duale studien » duale studium, duales studium, dualen studium
a literatura » la literatura, a literature, y literatura
a filosofia » la filosofia, e filosofia, di filosofia
filosofia a » filosofia da, filosofia la, filosofia e

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: "quito ((scale studien) OR (duale studien)) a filosofia a literatura".
• Adding a wildcard symbol may retrieve word variants: quito ((scale studien) OR (duale studien)) a filosofia a literatura*.