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