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