Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong san » cong tac
phan cac » phan dau, phan lap, phan van

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) or (doanh hoan)) qua dung cong san ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh doanh) OR (doanh hoan)) qua dung cong san ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh doanh) or (doanh hoan)) qua dung cong san ((phan cac) or (nhan cach))*.