/ˈsɜːrvɪs ˈpɑːspɔːrt/ – Phrase
Definition: hộ chiếu công vụ.
A more thorough explanation: A service passport is a type of passport issued to government officials or employees who are traveling abroad for official government business. It is used to facilitate their travel and provide them with certain privileges and immunities while carrying out their official duties.
Example: The service passport is a document issued by the government to diplomats and government officials traveling abroad on official business.