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