how to use this plugin

i insert sort code in this post http://hotelshanoi.org/visit-halong-bay/ but nothing on google when i search that
i use short code :[rating itemreviewed=”post” rating=”5″ reviewer=”Duong” dtreviewed=”bee” summary=”intereseting infomation” worst=”0″ best=”5″][/rating]
but nothing change
please help me

http://ww.wp.xz.cn/extend/plugins/google-rich-snippets/