Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, temperature author
la litterature » a literature
e letteratura » y literatura, e literatur
riviere e » riviere de, riviere p, riviere _
libro la » libro de, libro di, libro i
i grande » di grande, i grunde, i grand
i gran » i grand, i grain, i grani

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 libro la litterature author ) OR ( i grande riviere e letteratura e )).
• Adding a wildcard symbol may retrieve word variants: (( i gran libro la litterature author ) or ( i grande riviere e letteratura e ))*.