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

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

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