H\u1ecdc vi\u1ec7n Ngo\u1ea1i giao tuy\u1ec3n 500 ch\u1ec9 ti\u00eau cho 5 ng\u00e0nh \u0111\u00e0o t\u1ea1o theo 3 ph\u01b0\u01a1ng th\u1ee9c x\u00e9t tuy\u1ec3n<\/a><\/blockquote><\/iframe>