Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
toc chieu » toc thieu, doc hieu, hoc thieu
cong quan » cuong quan, cong quang, tong quan
hang luan » tang luan, dung luan
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - thanh ((cong quan) or (hang luan)) thong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - thanh ((cong quan) OR (hang luan)) thong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - thanh ((cong quan) or (hang luan)) thong cong tac toan ban*.