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 publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politica publicasas."

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