Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
danh trung » dang trung, dinh trung, manh trung
thanh tung » thanh cong
tuan duong » tuyen duong, tuong duong, van duong
duong cong » dung cong, luong cong, duong trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: doi ((chieu xanh) OR (chieu sach)) - ((danh trung) or (thanh tung)) tuan duong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - ((danh trung) OR (thanh tung)) tuan duong cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - ((danh trung) or (thanh tung)) tuan duong cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - ((danh trung) or (thanh tung)) tuan duong cong tac toan tap*.