Perhaps you should try some spelling variations:
"literatura del dean isla." » "literatura de dean isla.", "literatura en dean isla.", "literatura del de isla.", "literatura del dean la.", "literatura del en isla.", "literatura del dano isla.", "literatura del dia isla."
"literatura den de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura el de isaac.", "literatura eden de isaac.", "literatura gen de isaac.", "literatura zen de isaac."
"literatura e le islam." » "literatura de le islam.", "literatura en le islam.", "literatura e e islam.", "literatura e de islam.", "literatura e del islam.", "literatura et le 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 le islam.") or ("literatura del dean isla."))) or ("literatura den de isaac."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura e le islam.") OR ("literatura del dean isla."))) OR ("literatura den de isaac.")).
• Removing quotes may allow a broader search: (((( literatura e le islam. ) or ( literatura del dean isla. ))) or ( literatura den de isaac. )).
• Adding a wildcard symbol may retrieve word variants: (((("literatura e le islam.") or ("literatura del dean isla."))) or ("literatura den de isaac."))*.