Perhaps you should try some spelling variations:
thanh truong » thanh thuong, thanh tung, thanh huong
thanh trung » thanh tung
chuc hach » chuc hanh, thuc hanh, chuc danh
dung cong » dung trong
cau sach » cao sach, hau sach, rau sach
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc hach) or (cau sach)) - ((thanh truong) or (thanh trung)) va dung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc hach) OR (cau sach)) - ((thanh truong) OR (thanh trung)) va dung cong san than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc hach) or (cau sach)) - ((thanh truong) or (thanh trung)) va dung cong san than cau*.