Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publica.", "serie politica publicaciones.", "serie policiaca publicas.", "sobre politica publicas."
"lideres politicos publica." » "limites politicos publica.", "actores politicos publica.", "lideres politicos republica.", "lideres politicas publicas.", "lideres politicas publicad."
"serie politica pablo." » "serie politicas pablo.", "serie policiaca pablo.", "sobre politica pablo.", "serie politica para.", "serie colica pablo.", "serie politica al."

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