Perhaps you should try some spelling variations:
hanh trinh » canh tranh
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
cong van » cong vang, cong san, song van
va dung » van dung, va duong, vat dung

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