Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
anh truong » manh truong, anh thuong, anh trong
truong cua » truong ca, truong quan, truong cao
hien hanh » dieu hanh
cua trong » cua truong, cua trung, qua trong
cong san » cong tac
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 nhanh) or (hien hanh)) - anh truong cua trong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - anh truong cua trong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hien hanh)) - anh truong cua trong cong san van ban*.