Perhaps you should try some spelling variations:
litteratura sarda » letteratura sarda, letteratura storia, letteratura sulla
de litteratura » de litterature, de literatura, e letteratura
literatura de » literatura y, literatura en
i literatura » ii literatura, y literatura, i literature
grunde fir » grunde fur, grunde der, grunde zur
grunde die » grunde der, grunde des, grundlage die
i grand » i grunde
livre i » livro i, livre 1, livre qui

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 ((grunde fir) OR (grunde die)) de litteratura sarda ) OR ( i grand livre i literatura de )).
• Adding a wildcard symbol may retrieve word variants: (( i ((grunde fir) or (grunde die)) de litteratura sarda ) or ( i grand livre i literatura de ))*.