Perhaps you should try some spelling variations:
"sobre politicas publicas." » "sobre politica publicas.", "serie politicas publicas."
"elites politica publica." » "elites politicas publica.", "elite politica publica.", "elite politico publica."
"serie politica al." » "serie politicas al.", "serie policiaca al.", "sobre politica al.", "serie politica a.", "serie politica _.", "serie politica con."

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 politicas publicas.") OR ("elites politica publica."))) OR ("serie politica al."))~.
• Removing quotes may allow a broader search: (((( sobre politicas publicas. ) or ( elites politica publica. ))) or ( serie politica al. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publicas.") or ("elites politica publica."))) or ("serie politica al."))*.