Perhaps you should try some spelling variations:
"serie politica publicaa." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad.", "serie politicas publicasa.", "serie politicas publicaa.", "serie policiaca publicaa.", "elite politica publicaa."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas public."
"sobre politica publica." » "sobre politicas publicas."

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