Perhaps you should try some spelling variations:
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politica publicasas.", "serie policiaca publicas."
"elite politicas public." » "elite politicas publicad.", "elite politica publica.", "elite politica publicas.", "elites politicas public.", "elite politica public.", "elite politico public."
"sobre politicas pablo." » "sobre politica pablo.", "sobre politicas para.", "sobre politicas paz."

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