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