Vietnamese newly elected President Nguyen Xuan Phuc takes an oath in front of the National Assembly in Hanoi, Vietnam on Monday, April 5, 2021. Vietnam's legislature voted Monday to make Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president. (Nguyen Trong Duc/VNA via AP)

Vietnamese leaders cast ballot to elect new Prime Minister, from left, President Nguyen Xuan Phuc, Communist General Secretary Nguyen Phu Trong, Chairman of National Assembly Vuong Dinh Hue and newly elected Prime Minister Pham Minh Chinh in Hanoi, Vietnam on Monday, April 5, 2021. Vietnam's legislature voted Monday to make Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president.(Nguyen Phuong Hoa/VNA via AP)

Vietnamese newly elected President Nguyen Xuan Phuc takes an oath in front of the National Assembly in Hanoi, Vietnam on Monday, April 5, 2021. Vietnam's legislature voted Monday to make Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president. (Nguyen Trong Duc/ VNA via AP)

Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, enters the hall of the National Assembly in Hanoi, Vietnam on March 24, 2021. Vietnam's legislature voted Monday, April 5, 2021, to make Pham Minh Chinh the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president. (AP Photo/Minh Hoang)

Vietnamese newly elected President Nguyen Xuan Phuc, left, and newly elected Prime Minister Pham Minh Chinh pose for a photo in the National Assembly in Hanoi, Vietnam on Monday, April 5, 2021. Vietnam's legislature voted Monday to make Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president. (Hoang Thong Nhat/VNA via AP)

Vietnamese newly elected Prime Minister Pham Minh Chinh takes an oath in front of the National Assembly in Hanoi, Vietnam on Monday, April 5, 2021. Vietnam's legislature voted Monday to make Pham Minh Chinh, a member of the Communist party's central committee for personnel and organization, the country's next prime minister. Outgoing Prime Minister Nguyen Xuan Phuc was appointed the new president. (Nguyen Van Diep/VNA via AP)