Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh han » doanh nhan, doanh phan, doanh ban
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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 han) or (doanh hoan)) cua nhung cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - ((doanh han) OR (doanh hoan)) cua nhung cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - ((doanh han) or (doanh hoan)) cua nhung cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - ((doanh han) or (doanh hoan)) cua nhung cong manh toan ban*.