tai sao au chau lanh leo , ma nguoi viet moi nguoi song mot noi , tai sao ho ho song duoc , la vi ho biet cach hoa dong vao doi song , con o my da so nguoi viet chi biet song dua vao nhau de song khong biet tu lap, neu khong co nguoi viet thi do loi la buon , tu cai cai buon do lai di co bac , hut sach do khong phai la ly do , song o dau cung vay neu biet song hoa dong vao nhung noi minh dang o se khong thay buon