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