Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cong san » cong tac
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau
tung va » trung va, tuong va, dung 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 sang) or (chieu xanh)) - thanh tung va nhung cong san ((than cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh tung va nhung cong san ((than cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh tung va nhung cong san ((than cau) or (phan dau))*.