Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cua nhung » va nhung
lang cua » mang cua, hang cua, long cua
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: doc ((((chieu sang) or (chieu tinh))) or (hieu lang)) - nhanh lang cua nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((((chieu sang) OR (chieu tinh))) OR (hieu lang)) - nhanh lang cua nhung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: doc ((((chieu sang) or (chieu tinh))) or (hieu lang)) - nhanh lang cua nhung cong dan than cau*.