Perhaps you should try some spelling variations:
letteratura greca » letteratura fra, literatura grega, letteratura cinema
literatura graeca » literatura alema, literatura oral
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
la letteratura » la litterature, la literatura, e letteratura
grund libro » gran libro, und libro
grunde die » grunde der, grunde des, grundlage die
i grund » i ground, i grand
libro e » libro de, libero e, libro i
die la » die lan, die lage, die land

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