Perhaps you should try some spelling variations:
"literatura d_ de isla." » "literatura de de isla.", "literatura _ de isla.", "literatura d de isla.", "literatura d_ de isaac.", "literatura da de isla."
"literatura a un islam." » "literatura al un islam.", "literatura de un islam.", "literatura en un islam.", "literatura a el islam.", "literatura a e islam.", "literatura a al islam."
"literatura e de islam." » "literatura de de islam.", "literatura en de islam.", "literatura del de islam.", "literatura e del islam.", "literatura e e islam.", "literatura e de ilam.", "literatura e de isaacm.", "literatura y de islam.", "literatura _ de 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 un islam.") or ((("literatura d_ de isla.") or ("literatura e de islam."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura a un islam.") OR ((("literatura d_ de isla.") OR ("literatura e de islam.")))).
• Removing quotes may allow a broader search: (( literatura a un islam. ) or ((( literatura d_ de isla. ) or ( literatura e de islam. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura a un islam.") or ((("literatura d_ de isla.") or ("literatura e de islam."))))*.