Perhaps you should try some spelling variations:
"sobre politica publicaa." » "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicad."
"sobre politicas publicas." » "sobre politicas publicadas.", "sobre politica publicaas.", "sobre politica publicasas."
"serie politicas public." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "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: (((("sobre politica publicaa.") OR ("sobre politicas publicas."))) OR ("serie politicas public."))~.
• Removing quotes may allow a broader search: (((( sobre politica publicaa. ) or ( sobre politicas publicas. ))) or ( serie politicas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politica publicaa.") or ("sobre politicas publicas."))) or ("serie politicas public."))*.