Perhaps you should try some spelling variations:
scale studien » scale studies, scale student, duale studien
filosofia la » filosofia da, filosofia le, filosofica da
filosofia a » filosofia da, filosofia e, filosofia _
sets scale » sets scaled, sets scales, set scale
studien de » studien der, studien die, studien des

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: "sets scale studien de ((filosofia a) OR (filosofia la)) literature".
• Adding a wildcard symbol may retrieve word variants: sets scale studien de ((filosofia a) OR (filosofia la)) literature*.