1.
some / groups / like / the Tay, Hmong, Yao / live / mostly / mountainous / regions / north /.
2.
"ethnic minority peoples"/ speak / own languages / have / own / life / customs / and / traditions /.
3.
our country / government / always / take care / people's life / especially / the ethnic groups' /.
4.
the Muong / Hoa Binh and Thanh Hoa / well-known / their / rich / folk literature / traditional songs /.
5.
many / ethnic minority children / in / remote or mountainous areas / studying / at / boarding schools /.