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 e e isaac." » "literatura de e isaac.", "literatura en e isaac.", "literatura del e isaac.", "literatura e de isaac.", "literatura e en isaac.", "literatura e _ isaac.", "literatura el e isaac."
"literatura y del islam." » "literatura y el islam."

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 e e isaac.") OR ("literatura y del islam."))) OR ("literatura arabes de isla."))~.
• Removing quotes may allow a broader search: (((( literatura e e isaac. ) or ( literatura y del islam. ))) or ( literatura arabes de isla. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura e e isaac.") or ("literatura y del islam."))) or ("literatura arabes de isla."))*.