Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » tong cong, thong thong, phong chong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
chan dau » phan dau, han dau, chuan dao
doanh » danh, toanh, soanh
doan » dan, toan, soan

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