Perhaps you should try some spelling variations:
"literatura viejo debate." » "literatura cinco debate.", "literatura vida debate.", "literatura emilio debate.", "literatura nuevo debate."
"literaturas sin debate." » "literatura sin debate.", "literaturas en debate.", "literatura en debate.", "literaturas un debate.", "literaturas su debate."
"literatura e debate." » "literatura de debate.", "literatura en debate.", "literatura del debate.", "literatura el debate."

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 e debate.") OR ((("literaturas sin debate.") OR ("literatura viejo debate."))))~.
• Removing quotes may allow a broader search: (( literatura e debate. ) or ((( literaturas sin debate. ) or ( literatura viejo debate. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("literatura e debate.") or ((("literaturas sin debate.") or ("literatura viejo debate."))))*.