Perhaps you should try some spelling variations:
"literatura arte de islam." » "literatura arabe de islam.", "literatura breve de islam.", "literatura entre de islam.", "literatura arte del islam.", "literatura arte e islam.", "literatura arte de ilam.", "literatura arte de isaacm."
"literatura del dean isaac." » "literatura de dean isaac.", "literatura en dean isaac.", "literatura del de isaac.", "literatura del dan isac.", "literatura del en isaac.", "literatura del dano isaac.", "literatura del dia isaac."
"literatura y de isla." » "literatura y de isaac."

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