Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung dong » nhung don, nhung cong, nhung dung
dong doanh » dung doanh, trong doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
trinh he » trinh han, trinh hoa, trinh thi
nhan dau » phan dau, nhan dan, han dau

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 - canh ((trinh va) OR (trinh he)) nhung dong doanh nhan dau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh ((trinh va) or (trinh he)) nhung dong doanh nhan dau*.