hi all, i have site xahoi .com .vn and version for mobile is m. xahoi. com. vn. but index of m. xahoi. com. vn faster than xahoi. com. vn. when both index, what problem?,dupconten? i have more 2 sub is tuan. xahoi. com. vn and tin. xahoi. com. vn. rank of xahoi.com.vn what problem? and please check site xahoi .com .vn for me please help me. thanks