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