Perhaps you should try some spelling variations:
"serie policiaca publico." » "serie politica publica.", "serie politico publico.", "serie politica publicas."
"serie politicas public." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas."
"sobre politicas publicas." » "sobre politicas publicadas.", "sobre politica publicaas.", "sobre politica publicasas.", "sobre 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 politicas public.") or ("sobre politicas publicas."))) or ("serie policiaca publico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas public.") OR ("sobre politicas publicas."))) OR ("serie policiaca publico.")).
• Removing quotes may allow a broader search: (((( serie politicas public. ) or ( sobre politicas publicas. ))) or ( serie policiaca publico. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas public.") or ("sobre politicas publicas."))) or ("serie policiaca publico."))*.