Perhaps you should try some spelling variations:
litterature sarda » letteratura sarda, litterature par, litterature serbe
de litterature » la litterature, et litterature
x letteratura » e letteratura, _ letteratura, di letteratura
amanda libri » amandi libri, amanda ii
17 amanda » 1 amanda, 159 amanda, 613 amanda
libri x » libri xv, libri v, libri sex
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: (( 17 amanda libri x letteratura e ) OR ( i gran libro de litterature sarda )).
• Adding a wildcard symbol may retrieve word variants: (( 17 amanda libri x letteratura e ) or ( i gran libro de litterature sarda ))*.