Perhaps you should try some spelling variations:
doanh nhanh » doanh nhan, doanh thanh, danh nhan
hanh doanh » hang doanh, chinh doanh, doanh doanh
thieu xanh » chieu xanh, thien anh, thien danh
chong cong » thong cong, cuong cong, phong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
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 ((thieu xanh) OR (hieu manh)) - hanh doanh nhanh ((chong cong) or (cong cong)) toan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhanh ((chong cong) OR (cong cong)) toan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhanh ((chong cong) or (cong cong)) toan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhanh ((chong cong) or (cong cong)) toan phan tu*.