Perhaps you should try some spelling variations:
"literatura breve de islam." » "literatura de de islam.", "literatura en de islam.", "literatura del de islam.", "literatura breve del islam.", "literatura breve de isla.", "literatura breve e islam."
"literatura eln _ isaac." » "literatura en _ isaac.", "literatura el _ isaac.", "literatura ele _ isaac.", "literatury eln _ isaac.", "literaturo eln _ isaac.", "literatur2 eln _ isaac."
"literatura a el islam." » "literatura al el islam.", "literatura e el islam.", "literatura de el islam.", "literatura y el islam.", "literatura o el islam.", "literatura 2 el islam."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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