Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, literature search
litterature serbe » literature series, litterature belge, litterature review
literatur greca » literatura graeca, literatura grega, literaturas grecia
grunde die » grunde der, grunde des, grundlage die
und libro » un libro, und librosa, und lido
libro die » libro de, libro di, libido die
die la » die lan, die lage, die land
i und » _ und, 1 und, 2 und

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: (( i und libro die literatur greca ) OR ( i grunde die la ((litterature sarda) OR (litterature serbe)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i und libro die literatur greca ) or ( i grunde die la ((litterature sarda) OR (litterature serbe)) ))".
• Adding a wildcard symbol may retrieve word variants: (( i und libro die literatur greca ) or ( i grunde die la ((litterature sarda) OR (litterature serbe)) ))*.