How to return the social security paid in Vietnam after returning home?

Individuals who leave the country to settle down before reaching the legal conditions for receiving the basic pension shall keep their personal accounts and enjoy the corresponding pension insurance benefits in accordance with state regulations when reaching the legal conditions for receiving the basic pension. Among them, those who lose their People's Republic of China (PRC) nationality may apply in writing to terminate the basic old-age insurance relationship for employees when leaving the country or after leaving the country. After receiving the application, the social insurance agency shall inform it in writing of its right to keep personal accounts and the consequences of terminating the basic old-age insurance relationship for employees. After my written confirmation, I will terminate the employee's basic old-age insurance relationship and pay me the amount stored in my personal account in one lump sum.