Perhaps you should try some spelling variations:
"sobre politicas public." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "sobre politica public.", "serie politicas public."
"elites politicas publicas." » "elites politicas publicadas.", "elites politica publicaas.", "elites politica publicasas.", "limites politicos publicas.", "las politicas publicas.", "ideas politicas publicas."
"serie politica pablo." » "serie politicas pablo.", "serie policiaca pablo.", "sobre politica pablo.", "serie politica para.", "serie colica pablo.", "serie politica al."

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