Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
dong trinh » cong trinh, dong tinh, dong tranh
hien hanh » dieu hanh
luan hoan » luan van
hoan dong » hoat dong, hoa dong, hoang duong
trinh van » trinh han, trinh quan, trinh toan

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 luan hoan dong trinh van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - hanh trinh luan hoan dong trinh van ban*.