Perhaps you should try some spelling variations:
"literatura dy de isla." » "literatura de de isla.", "literatura d de isla.", "literatura del de isla.", "literatura dy de isaac.", "literatura ay de isla.", "literatura da de isla."
"literatura o de islam." » "literatura e de islam.", "literatura a de islam.", "literatura _ de islam.", "literatura o del islam.", "literatura o e islam.", "literatura o de ilam.", "literatura o de isaacm."
"literatura y de isaacm." » "literatura y de isaac.", "literatura y e isaac."

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 y de isaacm.") or ((("literatura o de islam.") or ("literatura dy de isla."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura y de isaacm.") OR ((("literatura o de islam.") OR ("literatura dy de isla.")))).
• Removing quotes may allow a broader search: (( literatura y de isaacm. ) or ((( literatura o de islam. ) or ( literatura dy de isla. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura y de isaacm.") or ((("literatura o de islam.") or ("literatura dy de isla."))))*.