Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"serie politica mexico." » "serie policy mexico.", "serie politicas mexico.", "serie policiaca mexico.", "elite politica mexico."

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

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