Tự sướng đi bác, tham khảo bác SAY nè: http://www.otosaigon.com/forum/C%c3%a1ch-%c3%a2m-n%e1%ba%bfu-em-th%c3%a0nh-c%c3%b4ngem-%c4%91%c3%a3-d%c3%a2ng-hi%e1%ba%bfn-to%c3%a0n-b%e1%bb%99-h%c3%acnh-%e1%ba%a3nh-c%c3%a1ch-em-l%c3%a0m-m2988327.aspx
