1. country/ with/ Vietnam/ 54/ is/ multiethnic/ a/ groups/ ethnic
=> Vietnam is a multiethnic country with 54 ethnic groups

2. minorities / make / population / Ethnic / up / 15 percent / of /the/ of / about / Vietnam
=> ethnic minorities make up about 15 percent of the population of Vietnam.

3. Most / live / of / ethnic / in / minorities / the / the / areas / in / north / the / mountainous
=> most of the ethnic minorities live in the mountainous areas in the north

4. Vietnam / Tay / second / The / largest / are / the / ethnic / in / group
=> the second largest ethnic group in Vietnam are the Tay

1. country/ with/ Vietnam/ 54/ is/ multiethnic/ a/ groups/ ethnic.

--> Vietnam is a multiethnic country with 54 ethnic groups.

2. minorities/ make/ population/ Ethnic/ up/ 15 percent/ of/ the/ of/ about/ Vietnam 

--> Ethnic minorities make up about 15 percent of the population of Vietnam.

3. Most/ live/ of/ ethnic/ in/ minorities/ the/ the/ areas/ in/ north/ the/ mountainous.

--> Most of the ethnic minorities live in the mountainous areas in the north.

4. Vietnam/ Tay/ second/ the/ largest/ are/ the/ ethnic/ in/ group.

--> The Tay is the second largest in ethnic group of Vietnam