Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
bang cong » dang cong, bang song, hang cong
chi xanh » chi anh, chi danh, chi hanh
doi chi » doi khi
chan tu » phan tu, chon tu, chai tu
han tu » phan tu, hanh tu, ban tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh doanh cua ((nhung cong) or (bang cong)) san ((chan tu) OR (han tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh doanh cua ((nhung cong) OR (bang cong)) san ((chan tu) OR (han tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - canh doanh cua ((nhung cong) or (bang cong)) san ((chan tu) OR (han tu))".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh doanh cua ((nhung cong) or (bang cong)) san ((chan tu) OR (han tu))*.