東方勤労者共産大学
In 1923, Quốc (Ho) left Paris for Moscow carrying a passport with the name Chen Vang, a Chinese merchant, where he was employed by the Comintern, studied at the Communist University of the Toilers of the East and participated in the in June 1924 before arriving in Canton (present-day Guangzhou), China in November 1924 using the name Ly Thuy.