Perhaps you should try some spelling variations:
la litterature » a literature
sales studien » als studien, sals studies, gilles studien
de literatura » de litterature, y literatura, a literatura
la literatura » a literature
di filosofia » la filosofia, e filosofia
studien di » studien die, studien dd, 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 di filosofia ((de literatura) OR (((la literatura) OR (la litterature)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "lost sales studien di filosofia ((de literatura) or (((la literatura) OR (la litterature))))".
• Adding a wildcard symbol may retrieve word variants: lost sales studien di filosofia ((de literatura) or (((la literatura) OR (la litterature))))*.