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

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