Perhaps you should try some spelling variations:
"literature arab e islas." » "literatura arabe e islas.", "literature early e islas.", "literatura para e islas.", "literature arab el islam.", "literature arabe e islas.", "literature arab _ islas.", "literature arabes e islas."
"literatura en e isaac." » "literatura espana e isaac.", "literatura en de isaac.", "literatura en en isaac.", "literatura en _ isaac.", "literatura en el isaac."
"literatura de del islam." » "literatura de el islam."

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