Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, nhung don
doanh cua » doanh luan
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
dan than » dan chan, ban than, van than
than tu » thanh tu, thang tu, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - hanh doanh cua ((nhung cong) or (((hang cong) or (hang nong)))) dan than tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh doanh cua ((nhung cong) OR (((hang cong) OR (hang nong)))) dan than tu.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh doanh cua ((nhung cong) or (((hang cong) or (hang nong)))) dan than tu*.