Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
thong van » trong van, thong va, thong quan
nhan tao » nhan tai, nhan dan
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - hanh doanh cua thong thong van ((nhan tao) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh doanh cua thong thong van ((nhan tao) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh doanh cua thong thong van ((nhan tao) or (han tap))*.