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