Perhaps you should try some spelling variations:
literatura historia » literature history
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
nella literatura » nella letteratura, pela literatura, della letteratura
del letteratura » della letteratura, e letteratura, di letteratura
ground libro » ground air, ground link, und libro
ground links » inbound links, und links
libri nella » libri della, libro della, libri dalla
i grounde » i grunde, i ground, i grounds

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 ((ground libro) OR (ground links)) del letteratura sarda ) OR ( i grounde libri nella literatura historia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i ((ground libro) OR (ground links)) del letteratura sarda ) or ( i grounde libri nella literatura historia ))".
• Adding a wildcard symbol may retrieve word variants: (( i ((ground libro) OR (ground links)) del letteratura sarda ) or ( i grounde libri nella literatura historia ))*.