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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiacas publica.\") OR (\"sobre politica publico.\"))) OR (\"elite politica publica.\"))~".
• Removing quotes may allow a broader search: (((( serie policiacas publica. ) OR ( sobre politica publico. ))) OR ( elite politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie policiacas publica.") OR ("sobre politica publico."))) OR ("elite politica publica."))*.