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