Perhaps you should try some spelling variations:
"serie politicas pabloas." » "serie politicas pablo.", "serie politica pablo.", "serie politicas publicad.", "serie policiaca pabloas."
"sobre politicas publicas." » "sobre politica publicas."
"elite politica publica." » "elites politicas publica.", "etica politica publica.", "entre politica publica."

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