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