Perhaps you should try some spelling variations:
nang thuong » nang truong, dang thuong, cong thuong
nang huong » nang luong, bang phuong, nang truong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang cong » dung cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cua dang » cua cong, cua ban
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh van » thanh van, khanh van, hanh va

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((((nang huong) OR (hang thuong))) OR (nang thuong)) cua dang cong ban hanh van~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((((nang huong) or (hang thuong))) or (nang thuong)) cua dang cong ban hanh van*.