Perhaps you should try some spelling variations:
"etica politica publico." » "etica politica publicas.", "etica politicas publicas.", "etica politicas publicad.", "publica politica publico."
"debate politico publico." » "debate politica publicas.", "debate politico republicano.", "debate politicos republica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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: (((("etica politica publico.") OR ("debate politico publico."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( etica politica publico. ) or ( debate politico publico. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("etica politica publico.") or ("debate politico publico."))) or ("serie politica publica."))*.