Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doc chieu » doc hieu, doi chieu, toc thieu
doanh cua » doanh luan
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu
ban cua » ban quan

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 - hanh ((((manh cua) or (ban cua))) or (doanh cua)) dung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - hanh ((((manh cua) OR (ban cua))) OR (doanh cua)) dung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - hanh ((((manh cua) or (ban cua))) or (doanh cua)) dung cong tan phan cau*.