/ˈniːmoʊ dæt ruːl/ – Phrase
Definition: Người không thể chuyển quyền sở hữu mà mình không có.
A more thorough explanation: a legal rule that without the authority of the true owner, a person who does not own property, especially a thief, cannot give good title to that property to another
Example: He cited the nemo dat rule in his brief to the court.