Perhaps you should try some spelling variations:
"limites politicos publicas." » "limites politicas publicas.", "limites politica publicas.", "limites politicas publicad.", "lideres politicos publicas.", "debates politicos publicas.", "limites juridicos publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."

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