Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"sobre politica publica." » "sobre politicas publicas."
"sobre politicas pablo." » "serie politicas pablo.", "sobre politica pablo.", "sobre politicas para.", "sobre politicas paz."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie policiaca publicas.") or ("sobre politicas pablo."))) or ("sobre politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publicas.") OR ("sobre politicas pablo."))) OR ("sobre politica publica."))*.
• Removing quotes may allow a broader search: (((( serie policiaca publicas. ) or ( sobre politicas pablo. ))) or ( sobre politica publica. ))*.