Perhaps you should try some spelling variations:
chieu xanh » chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
tranh thi » tranh thai, tran thi, trinh thi
dung cong » dung trong
thi dung » thi huong, thi nhung, thi cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu xanh) or (chieu tinh))) or (chieu sach)) - canh tranh thi dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu tinh))) OR (chieu sach)) - canh tranh thi dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (chieu tinh))) or (chieu sach)) - canh tranh thi dung cong dan than cau*.