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 arab del islam.", "literature arabe e islam.", "literature arab _ islam.", "literature arabes e islam."
"literatura en de islam." » "literatura de de islam.", "literatura espana de islam.", "literatura en del islam.", "literatura en de ilam.", "literatura en de islas.", "literatura en ddel islam.", "literatura en de isaacm."
"literatura a de isla." » "literatura al de isla.", "literatura e de isla.", "literatura de de isla.", "literatura a de isaac.", "literatura y de isla.", "literatura _ de isla.", "literatura o de isla."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("literatura en de islam.") or ((("literature arab e islam.") or ("literatura a de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura en de islam.") OR ((("literature arab e islam.") OR ("literatura a de isla.")))).
• Removing quotes may allow a broader search: (( literatura en de islam. ) or ((( literature arab e islam. ) or ( literatura a de isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura en de islam.") or ((("literature arab e islam.") or ("literatura a de isla."))))*.