Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung dong » nhung don, nhung dung, nhung bong
nhung cong » dung cong, thong cong, hang cong
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trinh van » trinh han, trinh quan, trinh toan
anh quang » anh xquang, anh quan, nhanh quang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh trinh van ((nhung dong) or (nhung cong)) anh quang nam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh trinh van ((nhung dong) OR (nhung cong)) anh quang nam.
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh trinh van ((nhung dong) or (nhung cong)) anh quang nam*.