Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hien hanh » dieu hanh
doanh cua » doanh luan
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, cong dong
gian ban » gian bana, gian dan, gian lan

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) or (hien hanh)) - canh doanh cua hang ((cong dan) OR (huong dan)) gian ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - canh doanh cua hang ((cong dan) OR (huong dan)) gian ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (hien hanh)) - canh doanh cua hang ((cong dan) OR (huong dan)) gian ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hien hanh)) - canh doanh cua hang ((cong dan) OR (huong dan)) gian ban*.