Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
trung hoa » trung hoc
trung ha » trung hoc, trung tam, trung cap
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - thanh ((trung hoa) or (trung ha)) nhung cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - thanh ((trung hoa) OR (trung ha)) nhung cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - thanh ((trung hoa) or (trung ha)) nhung cong tac phan cau*.