Perhaps you should try some spelling variations:
literatura graeca » literatura alema, literatura oral
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
la letteratura » la litterature, la literatura, e letteratura
de literatura » de litterature, la literatura, y literatura
grund libro » gran libro, und libro
grunde des » grund des, grunde der, grundzuge des
i grund » i ground, i grand
des la » des lage, des 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 de literatura graeca ) OR ( i grunde des la letteratura sarda )).
• Adding a wildcard symbol may retrieve word variants: (( i grund libro de literatura graeca ) or ( i grunde des la letteratura sarda ))*.