Perhaps you should try some spelling variations:
"literatura arabe de isaac." » "literatura breve de isaac.", "literatura e de isaac.", "literatura al de isaac.", "literatura caribe de isaac.", "literatura sabe de isaac.", "literatura arabes e isaac."
"literatura arabe de isla." » "literatura breve de isla.", "literatura e de isla.", "literatura al de isla.", "literatura caribe de isla.", "literatura sabe de isla.", "literatura arabes e isla."
"literatura de de isla." » "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 arabe de isaac.") or ((("literatura arabe de isla.") OR ("literatura de de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura arabe de isaac.") OR ((("literatura arabe de isla.") OR ("literatura de de isla.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura arabe de isaac.\") or (((\"literatura arabe de isla.\") OR (\"literatura de de isla.\"))))".
• Removing quotes may allow a broader search: (( literatura arabe de isaac. ) or ((( literatura arabe de isla. ) OR ( literatura de de isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura arabe de isaac.") or ((("literatura arabe de isla.") OR ("literatura de de isla."))))*.