Perhaps you should try some spelling variations:
"literature arab e islam." » "literatura arabe e islam.", "literature early e islam.", "literatura para e islam.", "literature arab el islam.", "literature arab e islas.", "literature arabe e islam.", "literature arab _ islam.", "literature arabes e islam."
"literatura al de islam." » "literatura el de islam.", "literatura del de islam.", "literatura en de islam.", "literatura al de isla.", "literatura al de ilam.", "literatura al de islas.", "literatura al del islam.", "literatura al dr islam."
"literatura de del islam." » "literatura de el islam."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("literature arab e islam.") or ((("literatura al de islam.") or ("literatura de del islam."))))~.
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• Removing quotes may allow a broader search: (( literature arab e islam. ) or ((( literatura al de islam. ) or ( literatura de del islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literature arab e islam.") or ((("literatura al de islam.") or ("literatura de del islam."))))*.