Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
chua xang » chua nang, chuc nang, chu bang
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chieu tinh)) - thanh tung cua thong cong san ((toan ban) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) or (chieu tinh)) - thanh tung cua thong cong san ((toan ban) OR (van ban))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chieu tinh)) - thanh tung cua thong cong san ((toan ban) OR (van ban))*.