1. The Cham ethnic group/ a population/ about 100,000.

-> The Cham ethnic group has a population of about 100,000.

2. They/ live mostly/ the coast/ between Ninh Thuan/ Binh Thuan Provinces/ or/ the Cambodian border/ around Chau Doc.

-> They live mostly on/along the coast between Ninh Thuan and Binh Thuan Provinces or on the Cambodian border around Chau Doc.

3. The Cham/ a tradition/ wet rice cultivation.

-> The Cham have a tradition of wet rice cultivation.

4. Handicrafts/ fairly well -developed/ especially silkworm textiles/ handmade pottery wares.

-> Handicrafts are fairly well-developed, especially silkworm textiles and handmade pottery wares.