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

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