Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
nhan ban » nhuan ban, nhat ban, nhan dan
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tran tan » tran tuan, tran van, tran thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu xanh)) - nhan ban ((cua hang) OR (cua dang)) cong tan tran tan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu xanh)) - nhan ban ((cua hang) OR (cua dang)) cong tan tran tan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) or (chieu xanh)) - nhan ban ((cua hang) OR (cua dang)) cong tan tran tan".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu xanh)) - nhan ban ((cua hang) OR (cua dang)) cong tan tran tan*.