Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, literature anthony
la litterature » a literature
grunde riviere » grande riviere, grand riviere, grande reviere
y literatura » la literatura
literatura e » literatura en, literatura de, literatura y
riviere y » riviere p, riviere _, riviere a
libro la » libro de, libro di, libro i
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 grunde riviere y literatura e )).
• Adding a wildcard symbol may retrieve word variants: (( i gran libro la litterature author ) or ( i grunde riviere y literatura e ))*.