Ch\u01b0\u01a1ng 4 – B\u00e0i 41: V\u1ea5n \u0111\u1ec1 s\u1eed d\u1ee5ng h\u1ee3p l\u00ed v\u00e0 c\u1ea3i t\u1ea1o t\u1ef1 nhi\u00ean \u1edf \u0110\u1ed3ng b\u1eb1ng s\u00f4ng C\u1ef1u Long<\/a><\/blockquote><\/iframe>