Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
canh dai » can dai, canh dan, vanh dai
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
dai va » mai va

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 sach))) or (hieu lang)) - canh dai va nhung cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu sach))) OR (hieu lang)) - canh dai va nhung cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) or (chieu sach))) or (hieu lang)) - canh dai va nhung cong dan than cao*.