Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas."
"elite politica publicas." » "elite politicas publicas.", "elite politica publicaciones.", "elite politicas publicass.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas 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: (((("serie politica publicas.") OR ("elite politica publicas."))) OR ("sobre politica publica."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politica publicas.\") OR (\"elite politica publicas.\"))) or (\"sobre politica publica.\"))~".
• Removing quotes may allow a broader search: (((( serie politica publicas. ) OR ( elite politica publicas. ))) or ( sobre politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publicas.") OR ("elite politica publicas."))) or ("sobre politica publica."))*.