Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
duong cong » dung cong, luong cong, duong trong
hieu manh » chieu xanh, dieu hanh, hien hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua duong » cua dong, cua huong, qua duong
hanh cham » thanh pham, hanh lam, hanh nam
mang cua » manh cua, dung cua, ban cua
cong dan » cong san, cong tan, huong dan
dan hanh » dang hanh, dan khanh, dan thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu nganh) or (hieu manh)) - hanh mang cua duong cong dan hanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu nganh) OR (hieu manh)) - hanh mang cua duong cong dan hanh cham*.