Perhaps you should try some spelling variations:
"literatura arabes e isla." » "literatura arabe e isla.", "literatura arte e isla.", "literature arab e isla.", "literatura arabes e islas.", "literatura arabes de isla.", "literatura arabes e islam."
"literatura del de isaacm." » "literatura de de isaacm.", "literatura en de isaacm.", "literatura del de isaac.", "literatura del de islam.", "literatura del dde isaacm.", "literatura del den isaacm.", "literatura del d_ isaacm.", "literatura del dean isaacm."
"literatura e e isaac." » "literatura de e isaac.", "literatura en e isaac.", "literatura e de isaac.", "literatura e en isaac.", "literatura e _ isaac.", "literatura el e isaac."

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