Perhaps you should try some spelling variations:
"literatura espana e islam." » "literatura espanola e islam.", "literatura mexicana e islam.", "literatura espana en islam.", "literatura espana el islam.", "literatura espana e islas.", "literatura espana del islam."
"literatura del de isaac." » "literatura en de isaac.", "literatura del dean isaac."
"literatura de de islam." » "literatura de del islam.", "literatura de de isla.", "literatura de de ilam.", "literatura de de islas.", "literatura de ddel islam.", "literatura de fe islam.", "literatura de di 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 de de islam.") or ("literatura del de isaac."))) or ("literatura espana e islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura de de islam.") OR ("literatura del de isaac."))) OR ("literatura espana e islam.")).
• Removing quotes may allow a broader search: (((( literatura de de islam. ) or ( literatura del de isaac. ))) or ( literatura espana e islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura de de islam.") or ("literatura del de isaac."))) or ("literatura espana e islam."))*.