Perhaps you should try some spelling variations:
"entre politica publicas." » "entre politica publicaciones.", "sobre politica publicas."
"sobre politicas publicas." » "sobre politica publicas.", "serie politicas publicas."
"elite politica publica." » "elites politicas publica.", "etica politica publica.", "chile 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: (((("entre politica publicas.") OR ("elite politica publica."))) OR ("sobre politicas publicas."))~.
• Removing quotes may allow a broader search: (((( entre politica publicas. ) or ( elite politica publica. ))) or ( sobre politicas publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("entre politica publicas.") or ("elite politica publica."))) or ("sobre politicas publicas."))*.