Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politicas pablo."

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