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

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

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