I need help

I really don't know...Try to make the mật khẩu again then try if this doesn't work...I can't help I'm sorry

bạn gave them you're email when bạn signed up right? well then, just request to have the information on your account sent to your email. normally when bạn ask for a new mật khẩu hoặc "reset it" the new mật khẩu is sent to your email address, assuming that bạn typed in your tên người dùng correctly when bạn requested it.