Perhaps you should try some spelling variations:
thanh tung » thanh cong
duong cong » dung cong, luong cong, duong trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dong cong » dung cong, dang cong, cong cong
tung cua » trung cua, tuong cua, dung cua
dan toan » van toan, dan than, manh toan
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 tieu xanh - thanh tung cua ((dong cong) or (duong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh tung cua ((dong cong) OR (duong cong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh tung cua ((dong cong) or (duong cong)) dan toan ban*.