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