Perhaps you should try some spelling variations:
thanh trung » thanh tung
chua tinh » cua tinh, cha tinh, thuat tinh
trong tan » trong quan, trong cac, trong ca
cha chua » chay chua, ca chua, chi chua
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
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: cha chua tinh - ((thanh trung) OR (canh tranh)) va dung ((trong tan) OR (cong tan)) toan cau~.
• Adding a wildcard symbol may retrieve word variants: cha chua tinh - ((thanh trung) or (canh tranh)) va dung ((trong tan) or (cong tan)) toan cau*.