Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh cua » doanh luan
cua thong » cua thuong, cua khong, cua tong
theo chu » theo chieu, cho chu, chao chu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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) or (theo chu)) xanh - hanh doanh cua thong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (theo chu)) xanh - hanh doanh cua thong cong dan than ban*.