Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
hoc chinh » hoan chinh, hoc sinh, hoc kinh
hanh tran » hanh trang, thanh tran, thanh trang
hanh tram » hanh tam, hanh trang, thanh tran
dung cong » dung trong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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 tran) or (hanh tram)) quang dung cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - ((hanh tran) OR (hanh tram)) quang dung cong ban than cau*.