He served as a defense lawyer at the trial of human rights lawyers Nguyen Van Dai and Le Thi Cong Nhan in May 2007, where they were sentenced to prison for "disseminating propaganda that was harmful to the State."
Trabajó como abogado defensor en el juicio a los abogados de derechos humanos Nguyen Van Dai y Le Thi Cong Nhan en mayo de 2007, donde fueron sentenciados a prisión por difundir propaganda que era perjudicial para el Estado”.