Perhaps you should try some spelling variations:
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass.", "serie politicas publicas."
"sobre politicas publica." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "serie politicas publica."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."

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