Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie policiaca publica.", "elite politica publica."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"serie politicas mexico." » "serie politica mexico.", "serie politicos mexico.", "serie politics mexico.", "serie policiaca mexico.", "serie policiacas mexico.", "elite politicas 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 politicas mexico."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("sobre politica publica."))) OR ("serie politicas mexico."))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politica publica.\") OR (\"sobre politica publica.\"))) or (\"serie politicas mexico.\"))*".
• Removing quotes may allow a broader search: (((( serie politica publica. ) OR ( sobre politica publica. ))) or ( serie politicas mexico. ))*.