Perhaps you should try some spelling variations:
theo chiet » theo chieu
thep thiet » thep viet, thuyet thiet
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 phat » tac pham, tam phat, tan phat
phat cau » phan cau, pha cau, phap cau

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) OR (thep thiet)) tach - thanh ((trung hoa) or (trung ha)) nhung cong tac phat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chiet) OR (thep thiet)) tach - thanh ((trung hoa) OR (trung ha)) nhung cong tac phat cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chiet) OR (thep thiet)) tach - thanh ((trung hoa) or (trung ha)) nhung cong tac phat cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chiet) OR (thep thiet)) tach - thanh ((trung hoa) or (trung ha)) nhung cong tac phat cau*.