Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"elite politicas publico." » "elite politicas publicas.", "elite politicas publicad.", "elite politica publica.", "elites politicas publico.", "elite politica publico.", "elite politico publico."
"sobre politicas publico." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politica publico.", "serie politicas publico."

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 politicas publico.") OR ("sobre politicas publico."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( elite politicas publico. ) or ( sobre politicas publico. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elite politicas publico.") or ("sobre politicas publico."))) or ("serie policiaca publica."))*.