/ˌdɪpləˈmætɪk lɔː/ – Phrase
Definition: luật ngoại giao.
A more throughout explanation: Diplomatic law refers to the body of international law that governs the conduct of diplomats and diplomatic missions, as well as the privileges and immunities granted to them by host countries. It includes rules and conventions that regulate diplomatic relations between states, such as the Vienna Convention on Diplomatic Relations.
Example: The ambassador relied on diplomatic law to ensure that the embassy’s staff enjoyed immunity from prosecution in the host country.