Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong than » thong thanh, thong phan, thong nhan
hien xanh » hien hanh, hien nhanh, chieu xanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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 xanh - hanh doanh cua thong thong than ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh doanh cua thong thong than ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh doanh cua thong thong than ((toan tai) or (toan ban))*.