Perhaps you should try some spelling variations:
"literatura arabe del islam." » "literatura breve del islam.", "literatura e del islam.", "literatura al del islam.", "literatura arabes del islam.", "literatura arabe de islam.", "literatura arabe el islam."
"literatura de mi isaac." » "literatura de de isaac.", "literatura de _ isaac.", "literatura de c isaac."
"literatura de de isla." » "literatura de de isaac.", "literatura de fe isla.", "literatura de di isla."

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 isla.") or ("literatura de mi isaac."))) or ("literatura arabe del islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de de isla.") OR ("literatura de mi isaac."))) OR ("literatura arabe del islam.")).
• Removing quotes may allow a broader search: (((( literatura de de isla. ) or ( literatura de mi isaac. ))) or ( literatura arabe del islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de de isla.") or ("literatura de mi isaac."))) or ("literatura arabe del islam."))*.