/ˈfɔːʤəri/ – noun
Definition: tội giả mạo hay làm giả giấy tờ.
A more thorough explanation: Forgery is the act of creating, altering, or imitating a document, signature, or other item with the intent to deceive or defraud others. It is a criminal offense that involves the unauthorized reproduction or alteration of a legal document or instrument with the intent to deceive or defraud.
Example: The defendant was charged with forgery for falsifying the signature on the contract.