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