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
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu
tinh » trinh, dinh, minh

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 (trieu tinh))) or (chieu sang)) - toan doanh luan nhung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (trieu tinh))) OR (chieu sang)) - toan doanh luan nhung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (trieu tinh))) or (chieu sang)) - toan doanh luan nhung cong tan phan cau*.