Perhaps you should try some spelling variations:
"serie politico publico." » "serie politica publicas.", "serie politico republicano.", "serie politicos republica.", "serie politica publico.", "serie politicas publico.", "series political publico."
"entre politica publica." » "sobre politica publica."
"en politicas publicas." » "en politica publicas.", "de 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: (((("entre politica publica.") OR ("en politicas publicas."))) OR ("serie politico publico."))~.
• Removing quotes may allow a broader search: (((( entre politica publica. ) or ( en politicas publicas. ))) or ( serie politico publico. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("entre politica publica.") or ("en politicas publicas."))) or ("serie politico publico."))*.