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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politica public.") OR ("sobre politicas public."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politica public.") OR ("sobre politicas public."))) OR ("serie policiaca publica."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"sobre politica public.\") OR (\"sobre politicas public.\"))) or (\"serie policiaca publica.\"))*".
• Removing quotes may allow a broader search: (((( sobre politica public. ) OR ( sobre politicas public. ))) or ( serie policiaca publica. ))*.