Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
trung cua » truong cua, trung tuan, trung cap
tran tuan » tran xuan, tran quang, tran thanh
chu xanh » chu manh, chieu xanh, chuc danh
cong tan » cong tac, cong san, cong thanh
tan hoa » van hoa, tap hoa, tan ha
hoa van » hoa dan, hoang van, hoa phan

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)) - hanh ((trung cua) or (tran tuan)) nhung cong tan hoa van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - hanh ((trung cua) OR (tran tuan)) nhung cong tan hoa van.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - hanh ((trung cua) or (tran tuan)) nhung cong tan hoa van*.