Perhaps you should try some spelling variations:
"literatura edad de isaac." » "literatura verdad de isaac.", "literatura eduardo de isaac.", "literatura ciudad de isaac."
"literatura _ de chilam." » "literatura _ de chillan.", "literatura _ de chile.", "literatura _ de china."
"literatura de de islam." » "literatura de del islam.", "literatura de de isla.", "literatura de e islam.", "literatura de fe islam.", "literatura de di islam."

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

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