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