Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politica public.", "serie politicas public."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elite politica pablo." » "elites politicas pablo.", "etica politica pablo.", "entre politica pablo.", "elite politica para.", "elite colica pablo.", "elite politica al."

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