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

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 publica.") or ((("sobre politicas publicas.") OR ("sobre politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca publica.") OR ((("sobre politicas publicas.") OR ("sobre politicas public.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie policiaca publica.\") or (((\"sobre politicas publicas.\") OR (\"sobre politicas public.\"))))".
• Removing quotes may allow a broader search: (( serie policiaca publica. ) or ((( sobre politicas publicas. ) OR ( sobre politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie policiaca publica.") or ((("sobre politicas publicas.") OR ("sobre politicas public."))))*.