Perhaps you should try some spelling variations:
chieu hanh » dieu hanh, hien hanh, chi hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
dang cong » dung cong
tung cua » trung cua, tuong cua, dung cua
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu hanh) OR (chieu xanh)) - thanh tung cua ((nhung cong) or (dang cong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu hanh) OR (chieu xanh)) - thanh tung cua ((nhung cong) OR (dang cong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu hanh) OR (chieu xanh)) - thanh tung cua ((nhung cong) or (dang cong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu hanh) OR (chieu xanh)) - thanh tung cua ((nhung cong) or (dang cong)) van toan ban*.