Perhaps you should try some spelling variations:
letteratura greca » literatura graeca, letteratura fra, literatura grega
letteratura arte » letteratura arti, letteratura sarda, letteratura e
lan letteratura » la letteratura, alla letteratura, la literatura
e letteratura » y literatura, e literatur
grunde die » grunde der, grunde des, grundlage die
und libro » und librosa, und lido
un libro » el libro, il libro, _ libro
die lan » die land, die lange, die langs

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