Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
cong doanh » cong danh, cong doan, dong doanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hanh tang » hanh trang, anh tang, hanh mang
cua thang » cua hang, xua thang, cua thuong
cua thanh » gia thanh, va thanh, ha thanh
hoan ban » hoang ban, toan ban, hon 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 nhanh - hanh tang ((cua thang) or (cua thanh)) cong doanh hoan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh tang ((cua thang) OR (cua thanh)) cong doanh hoan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh tang ((cua thang) or (cua thanh)) cong doanh hoan ban*.