/ˈdɒkjumənted ɪˈmɪɡreɪʃən/ – Phrase
Definition: việc nhập cư bất hợp pháp, việc nhập cư được cấp giấy tờ.
A more thorough explanation: Documented immigration refers to the process by which individuals legally enter and reside in a country, following the established laws and regulations governing immigration. This typically involves obtaining and submitting the required documentation, such as visas, permits, and other official paperwork, to demonstrate eligibility for entry and stay in the country.
Example: The documented immigration status of the applicant was verified by the immigration officer.