Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
hanh chau » thanh chau, canh chau, hanh cham
tung cua » trung cua, tuong cua, dung cua
cua hang » cua dang, cua nhung, cua cong
dong ban » dong bang, dong san, dong bac
cong dan » cong san, cong tan, huong dan

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 (chieu sang)) - thanh tung cua hang ((dong ban) OR (cong dan)) hanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - thanh tung cua hang ((dong ban) or (cong dan)) hanh chau~".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - thanh tung cua hang ((dong ban) or (cong dan)) hanh chau*.