Perhaps you should try some spelling variations:
"literatura arabe de isaac." » "literatura breve de isaac.", "literatura e de isaac.", "literatura al de isaac.", "literatura caribe de isaac.", "literatura sabe de isaac.", "literatura arabes e isaac."
"literatura es de isla." » "literatura en de isla.", "literatura e de isla.", "literatura el de isla."
"literatura de de isaacm." » "literatura de de islam.", "literatura de e isaac.", "literatura de fe isaacm.", "literatura de di isaacm."

You may be able to get more results by adjusting your search query.

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