em khong biet phai lam sao day.
she doesn't understand what? Thank you.

Is ko in sms the shot form of khong or does "ko" means "same"?

em buon vietnam em thieu tien no ngan hang, tien doctor doctor nhieu nhieu em buon em em khong gian anh.
for the above is she sad due to the many visits to the doctor or she can't see me? because of the "em buon em em khong gian anh"

Thank you for the help rendered.