Perhaps you should try some spelling variations:
"literatura delnnl debate." » "literatura del debate.", "literatura de debate.", "literatura en debate."
"literatura ennl debate." » "literatura en debate.", "literatura el debate.", "literatura entre debate.", "literatura dennl debate.", "literatura ennnl debate.", "literatura delnnl debate."
"literatura e debate." » "literatura de debate.", "literatura en debate.", "literatura del debate.", "literatura el debate."

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 e debate.") or ((("literatura ennl debate.") OR ("literatura delnnl debate."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("literatura e debate.") OR ((("literatura ennl debate.") OR ("literatura delnnl debate.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"literatura e debate.\") or (((\"literatura ennl debate.\") OR (\"literatura delnnl debate.\"))))".
• Removing quotes may allow a broader search: (( literatura e debate. ) or ((( literatura ennl debate. ) OR ( literatura delnnl debate. )))).
• Adding a wildcard symbol may retrieve word variants: (("literatura e debate.") or ((("literatura ennl debate.") OR ("literatura delnnl debate."))))*.