Perhaps you should try some spelling variations:
khung cong » nhung cong, khung long, phung cong
cong toan » cong tan, cong tuan, cong doan
cong hoan » cong hoa, dong hoa, cong san
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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 - thanh ((cong toan) OR (cong hoan)) khung cong ban than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh ((cong toan) OR (cong hoan)) khung cong ban than cap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh ((cong toan) OR (cong hoan)) khung cong ban than cap*.