東方勤労者共産大学
In 1926, he went to Canton (Guangzhou), China, to arrange the merger of his organization with the Vietnam Revolutionary Youth League. In 1927, he went to the USSR and studied at the Communist University of the Toilers of the East in Moscow. In 1928, he attended the sixth session of Communist International. On 11 October 1929, the court of Nam triều in Nghệ An conducted the trial in absentia of some members of the Indochinese Communist Party; Trần Phú was one of those accused.