Perhaps you should try some spelling variations:
letterature straniere » letteratura straniera, letterature germaniche, letteratura francese
duo literatura » de literatura, da literatura, humor literatura
literatura di » literatura de, literatura do, literatura i
e letterature » e letteratura, et litterature, de litterature
gran libri » gran libro
i grand » i grunde
livre e » livre de, livre en, livre et
i gran » i grain, i grani, i gram

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 gran libri duo literatura di ) OR ( i grand livre e letterature straniere )).
• Adding a wildcard symbol may retrieve word variants: (( i gran libri duo literatura di ) or ( i grand livre e letterature straniere ))*.