Thoi Hoang Dinh@hoangdinhthoiVietnamFollowAboutEducationSDSV BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencehoangdinhthoi has not updated employment details yet.Education