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