Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nang luong » nang song
hoc chinh » hoan chinh, hoc sinh, hoc kinh
trinh cau » trinh chat, trinh chao, trinh tu
cong lang » cong vang, cong luong, cong quang
cau dung » cau duong, cu dung, cau dong
toan ban » van ban

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 cau dung ((cong lang) or (nang luong)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh trinh cau dung ((cong lang) OR (nang luong)) toan ban*.