Perhaps you should try some spelling variations:
"literatura arabes e islam." » "literatura arabe e islam.", "literatura arte e islam.", "literature arab e islam.", "literatura arabes el islam.", "literatura arabes e islas.", "literatura arabes del islam."
"literatura breve de isla." » "literatura de de isla.", "literatura en de isla.", "literatura del de isla.", "literatura breve de isaac.", "literatura brevde de isla.", "literatura brevy de isla.", "literatura brev_ de isla."
"literatura e de islam." » "literatura de de islam.", "literatura en de islam.", "literatura del de islam.", "literatura e del islam.", "literatura e de ilam.", "literatura e de islas.", "literatura e de isaacm.", "literatura e ddel islam.", "literatura y de islam.", "literatura _ de islam."

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