Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien hanh » dieu hanh
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
tac thanh » bac thanh, cac thanh, tcc thanh
cua hang » cua dang, cua nhung, cua cong
tac than » tam than, tac nhan, bac thanh

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 hanh - canh doanh cua hang cong ((tac than) or (tac thanh)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - canh doanh cua hang cong ((tac than) OR (tac thanh)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh doanh cua hang cong ((tac than) or (tac thanh)) cao*.