Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((chieu xanh) or (chieu tinh))) or (hieu lang)) - canh tranh cua dang cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (chieu tinh))) OR (hieu lang)) - canh tranh cua dang cong tan tran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) or (chieu tinh))) or (hieu lang)) - canh tranh cua dang cong tan tran cau*.