Perhaps you should try some spelling variations:
"literatura arabes e isolda." » "literatura arabe e isolda.", "literatura arte e isolda.", "literature arab e isolda.", "literatura arabes de isolda.", "literatura arabes e isela.", "literatura arabes e isla."
"literatura del de isaac." » "literatura de de isaac.", "literatura en de isaac.", "literatura del dean isaac."
"literatura e de isla." » "literatura de de isla.", "literatura en de isla.", "literatura y de isla.", "literatura _ de isla."

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