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