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