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

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 publicas.") OR ("sobre politica publicas."))) OR ("serie politicas publico."))~.
• Removing quotes may allow a broader search: (((( elite politica publicas. ) or ( sobre politica publicas. ))) or ( serie politicas publico. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elite politica publicas.") or ("sobre politica publicas."))) or ("serie politicas publico."))*.