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