Perhaps you should try some spelling variations:
"sobre politica publicaa." » "sobre politica publica.", "sobre politicas publicas.", "sobre politicas publicad.", "sobre politicas publicaa."
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "elite politica publicas."
"elite politicas public." » "elite politicas publicas.", "elite politicas publicad.", "elite politica publica.", "elites politicas public.", "elite politica public.", "elite politico public."

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