Perhaps you should try some spelling variations:
"entre politicas publicass." » "entre politicas publicas.", "entre politica publicas.", "entre politicas publicad.", "entre politica publicass.", "en politicas publicass.", "sobre politicas publicass."
"etica politica publico." » "etica politico publico.", "etica politica publicas.", "etica politicas publicas.", "publica politica publico."
"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 ("entre politicas publicass."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( etica politica publico. ) or ( entre politicas publicass. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("etica politica publico.") or ("entre politicas publicass."))) or ("serie politica publica."))*.