Perhaps you should try some spelling variations:
"literature arab el islam." » "literatura arabe el islam.", "literature early el islam.", "literatura para el islam.", "literature arabe el islam.", "literature ajab el islam.", "literature aram el islam."
"literatura del de islam." » "literatura en de islam.", "literatura del del islam.", "literatura del de isla.", "literatura del e islam.", "literatura del dean islam."
"literatura de el isaac." » "literatura de e isaac.", "literatura de en isaac.", "literatura de joel 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 el isaac.") or ("literatura del de islam."))) or ("literature arab el islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de el isaac.") OR ("literatura del de islam."))) OR ("literature arab el islam.")).
• Removing quotes may allow a broader search: (((( literatura de el isaac. ) or ( literatura del de islam. ))) or ( literature arab el islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de el isaac.") or ("literatura del de islam."))) or ("literature arab el islam."))*.