Perhaps you should try some spelling variations:
sales studien » als studien, sals studies, gilles studien
die filosofia » di filosofia, de filosofia, e filosofia
de literatura » de litterature, y literatura, a literatura
la literatura » la litterature, a literature
studien die » studie die, studien der
lost » loss, los

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: lost sales studien die filosofia ((de literatura) OR (la literatura)).
• Adding a wildcard symbol may retrieve word variants: lost sales studien die filosofia ((de literatura) or (la literatura))*.