Perhaps you should try some spelling variations:
"limites juridicos publica." » "limites juridico publicas.", "limites juridica publica."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politica public.", "serie politicas public."
"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: (((("sobre politicas public.") OR ("limites juridicos publica."))) OR ("serie politica pablo."))~.
• Removing quotes may allow a broader search: (((( sobre politicas public. ) or ( limites juridicos publica. ))) or ( serie politica pablo. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas public.") or ("limites juridicos publica."))) or ("serie politica pablo."))*.