Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh tang » hanh trang, anh tang, hanh mang
cua thang » cua hang, cua thanh, xua thang
cong doan » dong doanh, cong san, cong dong
cong hoan » cong hoa, dong hoa, cong san
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
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 nhanh - hanh tang cua thang ((((cong doan) OR (cong hoan))) or (cong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh tang cua thang ((((cong doan) OR (cong hoan))) OR (cong dan)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - hanh tang cua thang ((((cong doan) OR (cong hoan))) or (cong dan)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh tang cua thang ((((cong doan) OR (cong hoan))) or (cong dan)) toan ban*.