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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie politica publica.") or ("sobre politicas para."))) or ("sobre politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("sobre politicas para."))) OR ("sobre politicas publicas."))*.
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( sobre politicas para. ))) or ( sobre politicas publicas. ))*.