Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
hanh trinh » canh tranh, hanh chinh
hieu lang » hieu quang, nhieu tang, hieu van
dung cong » dung trong
trinh tu » trinh ky, trinh do
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
tu dung » tuc dung, tu duong, su dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: nhu ((hieu lang) or (((chieu sang) or (chieu xanh)))) - hanh trinh tu dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nhu ((hieu lang) OR (((chieu sang) OR (chieu xanh)))) - hanh trinh tu dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: nhu ((hieu lang) or (((chieu sang) or (chieu xanh)))) - hanh trinh tu dung cong dan than cau*.