Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
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 » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
lang cua » mang cua, hang cua, long cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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 xanh) or (chieu tinh))) or (hieu lang)) - nhanh lang cua nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((((chieu xanh) OR (chieu tinh))) OR (hieu lang)) - nhanh lang cua nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: doc ((((chieu xanh) or (chieu tinh))) or (hieu lang)) - nhanh lang cua nhung cong tan toan cau*.