Perhaps you should try some spelling variations:
"i grunde liegen e letteratura sarda" » "i grunde liegen e letteratura storia", "i grunde liegen e letteratura sulla", "i grunde liegen e letteratura arte", "i zugrunde liegen e letteratura sarda", "i grunde gegen e letteratura sarda", "i zugrunde liegende e letteratura sarda", "i grunde liegen y literatura sarda", "i grunde liegen e literatur sarda", "i grunde liegen _ letteratura sarda", "i grunde liegen 5 letteratura sarda", "i grunde liegen 7 letteratura sarda"
"i gran libro la literatura de" » "i gran libro la litterature de", "i gran libro a literature de", "i gran libro la literatura y", "i gran libro la literatura en", "i gran libro de literatura de", "i gran libro di literatura de", "i gran libro i literatura de", "i grand libro la literatura de", "i grain libro la literatura de", "i grani libro la literatura de"

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: "((\"i gran libro la literatura de\") OR (\"i grunde liegen e letteratura sarda\"))".
• Removing quotes may allow a broader search: (( i gran libro la literatura de ) OR ( i grunde liegen e letteratura sarda )).
• Adding a wildcard symbol may retrieve word variants: (("i gran libro la literatura de") OR ("i grunde liegen e letteratura sarda"))*.