Perhaps you should try some spelling variations:
da literatura » la literatura, a literatura, de literatura
filosofia da » filosofia de, filosofia del, filosofia e
studien die » studie die, studien der
sets scale » sets scaled, sets scales, set scale
studien di » studien dd, studien der, studien bei

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 di) OR (studien die)) filosofia da literatura".
• Adding a wildcard symbol may retrieve word variants: sets scale ((studien di) OR (studien die)) filosofia da literatura*.