Perhaps you should try some spelling variations:
"sobre politica publico." » "sobre politico publico.", "sobre politica publicas.", "sobre politicas publicas.", "sobre politicas publico."
"elite politica publica." » "elite politicas publicas.", "elites politicas publica.", "entre politica publica.", "chile politica publica."
"etica politica publica." » "etica politicas publicas.", "publica politica publica."

Try widening your search to All Fields.

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