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