User:Yuan780
 | This account has been confirmed by a CheckUser as a sockpuppet of Phạm Văn Rạng (talk · contribs · logs), and has been blocked indefinitely. Please refer to the sockpuppet investigation of the sockpuppeteer, and editing habits or contributions of the sockpuppet for evidence. This policy subsection may be helpful. Account information: block log – contribs – logs – abuse log – CentralAuth |  |