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