Perhaps you should try some spelling variations:
de litteratura » de literatura, da literatura, der litteratur
de litterature » la litterature, et litterature
grand general » grande general, grant general, grid general
e letteratura » y literatura, e literatur
grain libro » gran libro, grain fibril
general e » general et, general en
i grain » ii grain
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 grain libro ((de litteratura) OR (de litterature)) sarda ) OR ( i grand general e letteratura e )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( i grain libro ((de litteratura) OR (de litterature)) sarda ) or ( i grand general e letteratura e ))".
• Adding a wildcard symbol may retrieve word variants: (( i grain libro ((de litteratura) OR (de litterature)) sarda ) or ( i grand general e letteratura e ))*.