Reorder the words to make sentences

Reorder the words to make sentences
1. minorities /  make / population / Ethnic / up / 15 percent / of / the / of / about / Vietnam
2. are / The / known / Nung / including / music and poetry / for / folk-art / richness / traditions / their / of
3. not / as / The / Nung / costume / is / colourful / of / the / as / that / of / ethnic / other / groups
4. The / Ede / built / on / live / in / stilts / in / wooden / villages / longhouses / as / buon / known