Perhaps you should try some spelling variations:
"literatura espana de islam." » "literatura espanola de islam.", "literatura mexicana de islam.", "literatura espana del islam.", "literatura espana de isla.", "literatura espana e islam."
"literatura el _ islam." » "literatura del _ islam.", "literatura e _ islam.", "literatura de _ islam."
"literatura en de islam." » "literatura de de islam.", "literatura en del islam.", "literatura en de isla.", "literatura en e 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 el _ islam.") or ((("literatura en de islam.") OR ("literatura espana de islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura el _ islam.") OR ((("literatura en de islam.") OR ("literatura espana de islam.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura el _ islam.\") or (((\"literatura en de islam.\") OR (\"literatura espana de islam.\"))))".
• Removing quotes may allow a broader search: (( literatura el _ islam. ) or ((( literatura en de islam. ) OR ( literatura espana de islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura el _ islam.") or ((("literatura en de islam.") OR ("literatura espana de islam."))))*.