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

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