Perhaps you should try some spelling variations:
"literatura espana de isla." » "literatura espanola de isla.", "literatura mexicana de isla.", "literatura espana de isaac."
"literatura del c islam." » "literatura de c islam.", "literatura del e islam.", "literatura del _ islam.", "literatura del el islam.", "literatura del v islam."
"literatura en de ilam." » "literatura de de ilam.", "literatura en de islam.", "literatura en de chilam."

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