Perhaps you should try some spelling variations:
della letteratura » e letteratura
letteratura sarda » letteratura storia, letteratura sulla, letteratura arte
nella letteratura » e letteratura
del letteratura » e letteratura, di letteratura, de litteratura
ground air » ground a
i grounde » i grunde, i grounds, _ grounde
i ground » i group, i groups, i grunde
air del » air de, air des, air model

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