cac pat oi giup toi voi. hien tai mang internet cua toi chai rat cham vi may tinh cua toi su dung chung voi nhung nguoi khac ma may tinh cua ho chai nhanh hon may toi nen gianh het duong truyen toi vao mang rat la lau. va doi khi bi ho cat mang nua. nen toi can 2 phan mem de khac phuc tinh trang nay