Perhaps you should try some spelling variations:
hanh trinh » canh tranh
tieu xanh » tieu danh, chieu xanh, dieu hanh
dang cong » dung cong
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
cong ban » cong bang, cong san, cong tan
va dang » van dang, va nang, va lang

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 trinh) or (hanh chinh)) va dang cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh trinh) OR (hanh chinh)) va dang cong ban thanh cau*.