Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
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: hoc chieu xanh - ((canh tranh) or (hanh trinh)) va hang cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - ((canh tranh) OR (hanh trinh)) va hang cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - ((canh tranh) or (hanh trinh)) va hang cong dan than ban*.