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