Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
danh toan » manh toan, anh toan, dan toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung cua ((phung van) or (tong cong)) danh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua ((phung van) OR (tong cong)) danh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cua ((phung van) or (tong cong)) danh toan tap*.