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
dang cong » dung cong
cong tap » cuong tap, cong tac, cong tan
tap phan » tai phan, cap phan, tap pham
phan dau » phan tu, hang dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (chieu sang)) - canh ((doanh cua) OR (doanh luan)) dang cong tap phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - canh ((doanh cua) OR (doanh luan)) dang cong tap phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - canh ((doanh cua) OR (doanh luan)) dang cong tap phan dau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - canh ((doanh cua) OR (doanh luan)) dang cong tap phan dau*.