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