Perhaps you should try some spelling variations:
"serie policiaca publicaa." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."
"sobre politica public." » "sobre politica publica.", "sobre politica publicas.", "sobre politico publico.", "sobre politicas public."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politica public.") or ("serie politicas public."))) or ("serie policiaca publicaa."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica public.") OR ("serie politicas public."))) OR ("serie policiaca publicaa."))*.
• Removing quotes may allow a broader search: (((( sobre politica public. ) or ( serie politicas public. ))) or ( serie policiaca publicaa. ))*.