Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa."
"serie politicas publico." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie politicas publicaso.", "serie politicas publicado.", "serie politica publicao.", "serie policiaca publico."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politica 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: (((("elites politicas public.") OR ("sobre politicas publica."))) OR ("serie politicas publico."))~.
• Removing quotes may allow a broader search: (((( elites politicas public. ) or ( sobre politicas publica. ))) or ( serie politicas publico. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("elites politicas public.") or ("sobre politicas publica."))) or ("serie politicas publico."))*.