Perhaps you should try some spelling variations:
"literatura espana un islam." » "literatura espanola un islam.", "literatura mexicana un islam.", "literatura despana un islam.", "literatura enspana un islam.", "literatura delspana un islam.", "literatura espana _ islam.", "literatura espana e islam.", "literatura espana al islam."
"literatura el _ isaac." » "literatura del _ isaac.", "literatura en _ isaac.", "literatura de _ isaac.", "literatura enl _ isaac.", "literatura dell _ isaac."
"literatura e el islam." » "literatura de el islam.", "literatura en el islam.", "literatura del el islam.", "literatura es 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 e el islam.") or ((("literatura el _ isaac.") or ("literatura espana un islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura e el islam.") OR ((("literatura el _ isaac.") OR ("literatura espana un islam.")))).
• Removing quotes may allow a broader search: (( literatura e el islam. ) or ((( literatura el _ isaac. ) or ( literatura espana un islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura e el islam.") or ((("literatura el _ isaac.") or ("literatura espana un islam."))))*.