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

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