Perhaps you should try some spelling variations:
thanh tung » thanh cong
hanh tranh » canh tranh, hanh trinh, hanh trang
chua tinh » cua tinh, cha tinh, thuat tinh
dung cong » dung trong
chu tinh » chau tinh, cuu tinh, chu tich
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu tinh) OR (chua tinh)) - ((hanh tranh) OR (thanh tung)) va dung cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu tinh) OR (chua tinh)) - ((hanh tranh) or (thanh tung)) va dung cong san than cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu tinh) OR (chua tinh)) - ((hanh tranh) or (thanh tung)) va dung cong san than cau*.