C\u0169ng ch\u1eb3ng c\u00f2n nh\u1eefng k\u1ef3 ngh\u1ec9 h\u00e8 3 th\u00e1ng, b\u00e0ng quan v\u1edbi c\u00e1c lo\u1ea1i ho\u00e1 \u0111\u01a1n, hay nh\u1eefng ng\u00e0y \u0103n h\u00e0ng l\u00e9n l\u00fat trong l\u1edbp n\u1eefa.<\/strong><\/p>\n\n\n\n