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

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