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

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sobre politicas publicad.") or ("serie policiaca publica."))) or ("elite politicas pabloas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas publicad.") OR ("serie policiaca publica."))) OR ("elite politicas pabloas.")).
• Removing quotes may allow a broader search: (((( sobre politicas publicad. ) or ( serie policiaca publica. ))) or ( elite politicas pabloas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publicad.") or ("serie policiaca publica."))) or ("elite politicas pabloas."))*.