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