Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
luan trong » quan trong, luat trong, luan tuong
hieu lang » hieu quang, nhieu tang, hieu van
hanh dung » thanh dung, anh dung, hanh dong
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang cau » hang dau, hang ca, nhung cau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - hanh dung luan trong cong ban hang cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - hanh dung luan trong cong ban hang cau*.