Perhaps you should try some spelling variations:
litterature author » literature author, literature authors, temperature author
letteratura arte » letteratura arti, letteratura sarda, letteratura e
de litterature » la litterature, et litterature
de letteratura » e letteratura, di letteratura, de litteratura
grani liber » glareani liber, romani liber
dei grani » dei grandi, dei gratia
liber de » liberte de
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 de litterature author ) OR ( dei grani liber de letteratura arte )).
• Adding a wildcard symbol may retrieve word variants: (( i gran libro de litterature author ) or ( dei grani liber de letteratura arte ))*.