Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
chao chu » cho chu, cua chu, cao cho
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
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: "chao chu van - thanh ((trung cua) OR (trung tuan)) nhung cong tan than cau~".
• Adding a wildcard symbol may retrieve word variants: chao chu van - thanh ((trung cua) OR (trung tuan)) nhung cong tan than cau*.