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