Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang
nhieu tang » hieu lang, nhiet nang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (((chieu sang) OR (nhieu tang)))) - canh tranh cua dang cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (((chieu sang) OR (nhieu tang)))) - canh tranh cua dang cong tac toan tap~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (((chieu sang) OR (nhieu tang)))) - canh tranh cua dang cong tac toan tap*.