Perhaps you should try some spelling variations:
della letteratura » nella letteratura
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
e letteratura » y literatura, e literatur
grunde libri » grunde bei, grunde ii, grunde gibt
grand libro » gran libro, grand livre
libro della » libro del, piero della
grunde fir » grunde fur, grunde der, grunde die
i grand » i grunde

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 grand libro della letteratura sarda ) OR ( i ((grunde libri) OR (grunde fir)) e letteratura sarda )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grand libro della letteratura sarda ) or ( i ((grunde libri) OR (grunde fir)) e letteratura sarda ))".
• Adding a wildcard symbol may retrieve word variants: (( i grand libro della letteratura sarda ) or ( i ((grunde libri) OR (grunde fir)) e letteratura sarda ))*.