Perhaps you should try some spelling variations:
"literatura maya e islam." » "literatura maria e islam.", "literatura mas e islam.", "literatura ma e islam.", "literatura maya el islam.", "literatura maya e islas.", "literatura maya en islam.", "literatura maya de islam."
"literatura fe en isaac." » "literatura fue en isaac.", "literatura de en isaac.", "literatura e en isaac.", "literatura fe e isaac.", "literatura fe de isaac.", "literatura fe _ isaac."
"literatura as del islam." » "literatura as el islam."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("literatura fe en isaac.") OR ("literatura as del islam."))) OR ("literatura maya e islam."))~.
• Removing quotes may allow a broader search: (((( literatura fe en isaac. ) or ( literatura as del islam. ))) or ( literatura maya e islam. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("literatura fe en isaac.") or ("literatura as del islam."))) or ("literatura maya e islam."))*.