Perhaps you should try some spelling variations:
doanh nhanh » doanh nhan, doanh thanh, danh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
chong cong » thong cong, cuong cong, phong cong
hoc chieu » hoc thieu, ho chieu, hoc hien
danh nhan » doanh nhan, thanh nhan, benh nhan
cong cong » cong dong, trong cong, dung cong
toan phan » thanh phan, toan ban, hoa phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((doanh nhanh) or (danh nhan)) ((chong cong) or (cong cong)) toan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((doanh nhanh) OR (danh nhan)) ((chong cong) OR (cong cong)) toan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((doanh nhanh) or (danh nhan)) ((chong cong) or (cong cong)) toan phan tu*.