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