Perhaps you should try some spelling variations:
fonti storiche » note storiche, forme storiche
e letterature » e letteratura, et litterature, de litterature
wie digitale » die digitale, eine digitale, neue digitale
storiche e » storie e, teoriche e
e digitale » e digital, die digitale, eine digitale

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "fonti storiche e letterature – edizione cartacee ((e digitale) OR (wie digitale))".
• Adding a wildcard symbol may retrieve word variants: fonti storiche e letterature – edizione cartacee ((e digitale) OR (wie digitale))*.