Perhaps you should try some spelling variations:
"literatura del de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del dean isaac."
"literatura dy de islam." » "literatura de de islam.", "literatura d de islam.", "literatura en de islam.", "literatura dy del islam.", "literatura dy de isla.", "literatura dy e islam.", "literatura ay de islam.", "literatura da de islam."
"literatura e de islam." » "literatura de de islam.", "literatura en de islam.", "literatura e del islam.", "literatura e de isla.", "literatura e e islam.", "literatura y de islam.", "literatura _ de 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 de islam.") or ("literatura del de isaac."))) or ("literatura dy de islam."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e de islam.") OR ("literatura del de isaac."))) OR ("literatura dy de islam.")).
• Removing quotes may allow a broader search: (((( literatura e de islam. ) or ( literatura del de isaac. ))) or ( literatura dy de islam. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e de islam.") or ("literatura del de isaac."))) or ("literatura dy de islam."))*.