Perhaps you should try some spelling variations:
"i grunde general e letteratura sarda" » "i grunde general e letteratura storia", "i grunde general e letteratura sulla", "i grunde general e letteratura arte", "i grande general e letteratura sarda", "i guide general e letteratura sarda", "i grade general e letteratura sarda", "i grunde general y literatura sarda", "i grunde general et letteratura sarda", "i grunde general en letteratura sarda"
"i grand libro del letteratura e" » "i grand libro della letteratura e", "i grand libro di letteratura e", "i grand libro de litteratura e", "i gran libro del letteratura e", "i grand livre del letteratura e", "i grand libro de letteratura e"
"i grunde general e literatur sarda" » "i grunde general e literatur sarcoma", "i grunde general e literatur smarte", "i grunde general e literatur sach", "i grande general e literatur sarda", "i guide general e literatur sarda", "i grade general e literatur sarda", "i grunde general et literatur sarda", "i grunde general en literatur sarda"

Try widening your search to All Fields.

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 grand libro del letteratura e") OR ((("i grunde general e letteratura sarda") OR ("i grunde general e literatur sarda")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"i grand libro del letteratura e\") or (((\"i grunde general e letteratura sarda\") OR (\"i grunde general e literatur sarda\"))))".
• Removing quotes may allow a broader search: (( i grand libro del letteratura e ) or ((( i grunde general e letteratura sarda ) OR ( i grunde general e literatur sarda )))).
• Adding a wildcard symbol may retrieve word variants: (("i grand libro del letteratura e") or ((("i grunde general e letteratura sarda") OR ("i grunde general e literatur sarda"))))*.