Perhaps you should try some spelling variations:
"literatura de josep isaac." » "literatura de jose isaac.", "literatura de joel isaac.", "literatura de joseph isaac.", "literatura de josue isaac."
"literatura y del islam." » "literatura y el islam."
"literatura de de isaac." » "literatura de fe isaac.", "literatura de di isaac."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura de de isaac.") or ("literatura de josep isaac."))) or ("literatura y del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de de isaac.") OR ("literatura de josep isaac."))) OR ("literatura y del islam."))*.
• Removing quotes may allow a broader search: (((( literatura de de isaac. ) or ( literatura de josep isaac. ))) or ( literatura y del islam. ))*.