Perhaps you should try some spelling variations:
canh trang » hanh trang, banh trang, thanh trang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
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 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: ((ho chieu) or (hoc thieu)) xanh - ((canh trang) or (canh tranh)) va dung cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((canh trang) OR (canh tranh)) va dung cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - ((canh trang) or (canh tranh)) va dung cong dan than ban*.