Perhaps you should try some spelling variations:
hien nhanh » thien thanh, tien thanh, dien thanh
anh truong » manh truong, anh thuong, anh trong
hien hanh » dieu hanh
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
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 tong) OR (cua dong)) 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 tong) OR (cua dong)) cong san van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (hien hanh)) - anh truong ((cua tong) OR (cua dong)) cong san van ban*".