Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dung » thanh dung, anh dung, hanh dong
luan dung » lan dung, luan dong, luan ung
luan hung » luan chung, lan hung, luan ung
thanh tra » thanh toan, thanh hoa
tra cau » tra sau, ta cau, tra cuu

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 - hanh dung ((luan dung) OR (luan hung)) cong thanh tra cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh dung ((luan dung) OR (luan hung)) cong thanh tra cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh dung ((luan dung) OR (luan hung)) cong thanh tra cau*.