Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tung cao » nung cao, truong cao, trung cap
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: doi chieu xanh - thanh tung cao ((nhung cong) or (dung trong)) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cao ((nhung cong) OR (dung trong)) dan than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cao ((nhung cong) or (dung trong)) dan than cau*.