Perhaps you should try some spelling variations:
grandi » grande, grands, granddi, grantdi, graydi
liberali » liberal, liberale, liberals
gran » grand, grant, gray
letteratura » literatura, litterature
arte » arzte, arten, art

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 ((grandi liberali) OR (gran libro)) della letteratura arte.
• Adding a wildcard symbol may retrieve word variants: i ((grandi liberali) or (gran libro)) della letteratura arte*.