Perhaps you should try some spelling variations:
"literatura breve de islam." » "literatura en de islam.", "literatura del de islam.", "literatura e de islam.", "literatura breve del islam.", "literatura breve de isla.", "literatura breve de ilam.", "literatura breve de islas.", "literatura breve ddel islam."
"literatura de de islam." » "literatura de del islam.", "literatura de de isla.", "literatura de de ilam.", "literatura de de islas.", "literatura de ddel islam.", "literatura de fe islam.", "literatura de di islam."
"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 breve de islam.") or ((("literatura de e islam.") or ("literatura de de islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura breve de islam.") OR ((("literatura de e islam.") OR ("literatura de de islam.")))).
• Removing quotes may allow a broader search: (( literatura breve de islam. ) or ((( literatura de e islam. ) or ( literatura de de islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura breve de islam.") or ((("literatura de e islam.") or ("literatura de de islam."))))*.