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