Perhaps you should try some spelling variations:
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
cong tan » cong tac, cong san, cong thanh
tan tra » tan tran, tan trao, dan tra
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 tan tra cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dung ((luan dung) OR (luan hung)) cong tan tra cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh dung ((luan dung) or (luan hung)) cong tan tra cau*.