Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, thanh hang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu lang)) - ((hanh mang) OR (nhanh lang)) quan nhung cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (hieu lang)) - ((hanh mang) OR (nhanh lang)) quan nhung cong dan van ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu lang)) - ((hanh mang) OR (nhanh lang)) quan nhung cong dan van ban*.