Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
doanh luan » doanh nhan
anh doanh » hanh doanh, anh danh, doanh doanh
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong van » cong vang, cong san, song van
ban can » ban dan, ban hang, ban hanh

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 xanh) or (chieu sang)) - anh doanh luan hang cong van ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - anh doanh luan hang cong van ban can*.