Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie politico publicoas.", "serie politicas publicasas.", "serie politicas publicadas.", "serie policiaca publicas."
"sobre politica publica." » "sobre politicas publicas.", "sobre politico publicoa.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politicas publica."
"elite politica public." » "elite politico publico.", "elite politicas publicas.", "elite politicas publicad.", "elites politicas public.", "etica politica public.", "entre politica public."

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