Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
doanh khanh » doanh thanh, doanh nhan, dinh khanh
thieu xanh » chieu xanh, thien anh, thien danh
phong cong » phong chong, thong cong, chong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong san » cong tac
san phan » san pham, van phan, sat 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)) - doanh doanh khanh phong cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - doanh doanh khanh phong cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - doanh doanh khanh phong cong san phan tu*.