Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
quan hang » quan hoang, quan lang, quan hanh
hang cong » dang cong, hang nong, bang cong
ban quan » van quan
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
can ban » van ban, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chinh sach)) - can ban quan hang cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chinh sach)) - can ban quan hang cong dan phan cau*.