Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
thieu xanh » chieu xanh, hieu manh, thien anh
doanh hoan » doanh khoa, doanh nhan, doanh luan
cong thang » cong thanh, cang thang, cong thong
hoc thieu » toc thieu, hoc hien
nhan cong » nhanh cong, phan cong, nhap cong
cong than » cong thanh, cong tan, cong thai

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