Perhaps you should try some spelling variations:
"i grand livre y literatura sarda" » "i grand livre y letteratura sarda", "i grand livre y literatura fakta", "i grand livre y literatura larpcal", "i grand livre la literatura sarda", "i grunde livre y literatura sarda", "i grand livre 1 literatura sarda", "i grand livre i literatura sarda", "i grand livre _ literatura sarda"
"i grand livre y literatura arab" » "i grand livre y literature arab", "i grand livre y literatura oral", "i grand livre y literatura artes", "i grand livre la literatura arab", "i grunde livre y literatura arab", "i grand livre 1 literatura arab", "i grand livre i literatura arab", "i grand livre _ literatura arab"
"i gram libro de letteratura di" » "i gram libro e letteratura di", "i gram libro di letteratura di", "i gram libro de litteratura di", "i gram libro de letteratura e", "i gram libro de literatura de", "i gran libro de letteratura di", "bi gram libro de letteratura di"

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 gram libro de letteratura di") OR ((("i grand livre y literatura sarda") OR ("i grand livre y literatura arab")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"i gram libro de letteratura di\") or (((\"i grand livre y literatura sarda\") OR (\"i grand livre y literatura arab\"))))".
• Removing quotes may allow a broader search: (( i gram libro de letteratura di ) or ((( i grand livre y literatura sarda ) OR ( i grand livre y literatura arab )))).
• Adding a wildcard symbol may retrieve word variants: (("i gram libro de letteratura di") or ((("i grand livre y literatura sarda") OR ("i grand livre y literatura arab"))))*.