M\u1ee9c \u0111i\u1ec3m s\u00e0n x\u00e9t tuy\u1ec3n \u0110\u1ea1i h\u1ecdc C\u00f4ng ngh\u1ec7 – \u0110HQG H\u00e0 N\u1ed9i 2019<\/a><\/blockquote><\/iframe>