Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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