Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie politicas publicasa.", "serie politicas publicada.", "serie politica publicaa.", "serie policiaca publica."
"ideas politicas public." » "ideas politicas publicas.", "ideas politicas publicad.", "ideas politica publica.", "las politicas public.", "ideologias politicas public."
"sobre politica pablo." » "sobre politicas pablo.", "sobre politica para.", "sobre colica pablo.", "sobre 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 politica pablo.") OR ("serie politicas publica."))) OR ("ideas politicas public."))~.
• Removing quotes may allow a broader search: (((( sobre politica pablo. ) or ( serie politicas publica. ))) or ( ideas politicas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica pablo.") or ("serie politicas publica."))) or ("ideas politicas public."))*.