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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("etica politica public.") or ("serie policiaca publica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("etica politica public.") OR ("serie policiaca publica."))) OR ("serie politicas publicas."))*.
• Removing quotes may allow a broader search: (((( etica politica public. ) or ( serie policiaca publica. ))) or ( serie politicas publicas. ))*.