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