Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
hien xanh » chieu xanh, hien khanh, khien canh
hien hanh » dieu hanh
dung cong » dung trong
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
ban cua » ban quan
san van » tan van, luan van, tran van

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 xanh) or (((hien nhanh) or (hien hanh)))) - hanh ban cua dung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (((hien nhanh) OR (hien hanh)))) - hanh ban cua dung cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (((hien nhanh) or (hien hanh)))) - hanh ban cua dung cong san van ban*.