Perhaps you should try some spelling variations:
"limites politicos publica." » "lideres politicos publica.", "debates politicos publica.", "limites juridicos publica.", "limites politicos republica.", "limites politicas publicas.", "limites politicas publicad."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politica public.", "serie politicas public."
"serie colica pablo." » "serie politica pablo.", "serie cronicas pablo.", "serie clasica pablo."

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