Perhaps you should try some spelling variations:
hien khanh » hien nhanh, dien khanh, thien thanh
hanh trinh » canh tranh, hanh chinh
dong huong » dong thuong, dong duong, cong huong
hien hanh » dieu hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua dong » chua dong, cua cong, cua dang
dan van » dang van, doan van, dao 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 khanh) or (hien hanh)) - hanh trinh cua dong huong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien khanh) OR (hien hanh)) - hanh trinh cua dong huong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien khanh) or (hien hanh)) - hanh trinh cua dong huong dan van ban*.