Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoac khong » hoa khong, hoc khong, hay khong
tung hoac » trung hoc, trung hoa, dung hoc
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
cong san » cong tac
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sang - thanh tung hoac khong ((cong ty) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - thanh tung hoac khong ((cong ty) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - thanh tung hoac khong ((cong ty) or (cong san)) than cau*.