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