Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
chiet tach » chieu sach
canh doanh » hanh doanh, chinh doanh, doanh doanh
dung cong » dung trong
doanh va » doan va, doanh tai, doanh cua
cong ban » cong bang, cong san, cong tan
ban toan » bai toan, ban than, van toan
toan cau » toan cao, toan ban, toan tap
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 sang) or (chieu xanh))) or (chiet tach)) - canh doanh va dung cong ban toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chieu xanh))) OR (chiet tach)) - canh doanh va dung cong ban toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (chieu xanh))) or (chiet tach)) - canh doanh va dung cong ban toan cau*.