Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
toan ban » van ban

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

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