Perhaps you should try some spelling variations:
de litterature » la litterature, et litterature
gilles studien » gis studien, gorres studien, agiles studieren
sales studien » als studien, sals studies, aus studien
di filosofia » la filosofia, e filosofia
filosofia de » filosofia del
lost » loss, los

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: "lost ((sales studien) OR (gilles studien)) di filosofia de litterature*".