Perhaps you should try some spelling variations:
litterature author » literature author, temperature author, literature authorship
literature authors » literature author, literature authorship, literary authors
literatura arti » letteratura arti, literatura artes, literature arts
y literatura » la literatura
grand libro » grand livre
i grand » i grunde
libro y » libro i, libro _, libro e
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 libro de ((litterature author) OR (literature authors)) ) OR ( i grand libro y literatura arti )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i gran libro de ((litterature author) OR (literature authors)) ) or ( i grand libro y literatura arti ))".
• Adding a wildcard symbol may retrieve word variants: (( i gran libro de ((litterature author) OR (literature authors)) ) or ( i grand libro y literatura arti ))*.