Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, 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 xanh) or (chua xang)) - thanh ((trung va) OR (trung ha)) nhung cong tan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - thanh ((trung va) OR (trung ha)) nhung cong tan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chua xang)) - thanh ((trung va) OR (trung ha)) nhung cong tan than cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - thanh ((trung va) OR (trung ha)) nhung cong tan than cao*.