Perhaps you should try some spelling variations:
"literatura arabe de isla." » "literatura breve de isla.", "literatura de de isla.", "literatura al de isla.", "literatura caribe de isla.", "literatura sabe de isla.", "literatura arabes e isla.", "literatura arabde de isla.", "literatura araby de isla.", "literatura arab_ de isla."
"literature arab de isaac." » "literature early de isaac.", "literatura para de isaac.", "literatura arte de isaac.", "literature aras de isaac.", "literature arabes de isaac.", "literature jarabe de isaac."
"literatura e de isaacs." » "literatura de de isaacs.", "literatura en de isaacs.", "literatura del de isaacs.", "literatura e de isaias.", "literatura e de islas.", "literatura e e isaac.", "literatura y de isaacs.", "literatura _ de isaacs."

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