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

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("literatura arabe y islam.") or ("literatura de e islam."))) or ("literatura arabe de isla."))~.
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• Adding a wildcard symbol may retrieve word variants: (((("literatura arabe y islam.") or ("literatura de e islam."))) or ("literatura arabe de isla."))*.