Perhaps you should try some spelling variations:
"literatura arabe de isaac." » "literatura breve de isaac.", "literatura de de isaac.", "literatura e de isaac.", "literatura caribe de isaac.", "literatura sabe de isaac.", "literatura arabes e isaac."
"literatura _ del islam." » "literatura _ el islam."
"literatura _ de islam." » "literatura _ de isla.", "literatura _ e islam.", "literatura _ de ilam."

Try widening your search to All Fields.

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