Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » thong cong, khong cang, chong cong
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
theo chu » theo chieu, cho chu, chao chu
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, khoan cam, phan cac
than cap » thanh lap, thanh cac, than cua
chu van » cuu van, chu han

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu van - thanh trung cua khong cong dan ((khan cap) OR (than cap))~".
• Adding a wildcard symbol may retrieve word variants: theo chu van - thanh trung cua khong cong dan ((khan cap) OR (than cap))*.