Perhaps you should try some spelling variations:
trung tuan » trung thanh, tran tuan, truong thanh
thong cong » trong cong, tong cong, thong thong
cong san » cong tac
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu
cho chu » cho thue
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu van - thanh ((trung tuan) or (trung tam)) thong cong san ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu van - thanh ((trung tuan) OR (trung tam)) thong cong san ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: cho chu van - thanh ((trung tuan) or (trung tam)) thong cong san ((chan cau) or (phan cau))*.