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