Perhaps you should try some spelling variations:
"limites politicos publicad." » "limites politicas publicad.", "limites politicas publicas.", "limites politicos republica.", "lideres politicos publicad.", "debates politicos publicad.", "limites juridicos publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"sobre politicas pablo." » "sobre politica pablo.", "serie politicas pablo.", "sobre politicas para.", "sobre politicas paz."

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 pablo.") OR ("limites politicos publicad."))) OR ("serie politica publica."))~.
• Removing quotes may allow a broader search: (((( sobre politicas pablo. ) or ( limites politicos publicad. ))) or ( serie politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas pablo.") or ("limites politicos publicad."))) or ("serie politica publica."))*.