Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung dong » nhung don, nhung cong, nhung dung
hoc chinh » hoan chinh, hoc sinh, hoc kinh
hang cong » dang cong, hang nong, bang cong
anh quang » anh xquang, anh quan, nhanh quang
trinh va » trinh van, trinh vat, trinh ve

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