Perhaps you should try some spelling variations:
"obra politico publico." » "obra politica publicas.", "obra politico republicano.", "obra politicos republica.", "obra politica publico.", "otra politica publico.", "hombre politico publico."
"sobre politicas publicas." » "sobre politica publicas.", "serie politicas publicas."
"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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("obra politico publico.") OR ("sobre politicas publicas."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( obra politico publico. ) or ( sobre politicas publicas. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("obra politico publico.") or ("sobre politicas publicas."))) or ("serie politica publica."))*.