Perhaps you should try some spelling variations:
a literatura » la literatura, a literature, y literatura
lists space » its space, bits space, list spaces
studien die » studie die, studien der
filosofia a » filosofia da, filosofia la, filosofia e
studien dd » studies dd, studien der, studien des

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lists space ((studien dd) OR (studien die)) filosofia a literatura.
• Adding a wildcard symbol may retrieve word variants: lists space ((studien dd) or (studien die)) filosofia a literatura*.