Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hien hanh » dieu hanh
trinh cua » tinh cua, trinh luat, trinh luan
dang nong » dang cong, hang nong, dang hoang
tang nong » hang nong, tang dong, tang mong
quan van » luan van, quan va, quan luan

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 hanh - hanh trinh cua ((dang nong) or (tang nong)) trinh quan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - hanh trinh cua ((dang nong) OR (tang nong)) trinh quan van.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trinh cua ((dang nong) or (tang nong)) trinh quan van*.