Perhaps you should try some spelling variations:
"literature arab del islam." » "literatura arabe del islam.", "literature early del islam.", "literatura para del islam.", "literature arab el islam.", "literature arabes del islam.", "literature caras del islam.", "literature arabe de islam."
"literatura del de islam." » "literatura en de islam.", "literatura del de isla.", "literatura del e islam.", "literatura del de ilam.", "literatura del dean islam."
"literatura de e isaac." » "literatura de de isaac.", "literatura de en isaac.", "literatura de _ isaac.", "literatura de el isaac.", "literatura de fe isaac."

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