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."
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas.", "elite politica publicas."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas 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: (((("serie politica publicas.") OR ("sobre politica publica."))) OR ("etica politica publicass."))~.
• Removing quotes may allow a broader search: (((( serie politica publicas. ) or ( sobre politica publica. ))) or ( etica politica publicass. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicas.") or ("sobre politica publica."))) or ("etica politica publicass."))*.