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

Try widening your search to All Fields.

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

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