Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"series politicas public." » "series political public.", "serie politica public.", "especies politicas public.", "series politicas publicas.", "series politicas publicad.", "series politica publica."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."

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