Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
ban quang » ban quan, van quang, tran quang
dan quang » dang quang, doan quang, van quang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh 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: doi chieu xanh - thanh ((ban quang) OR (dan quang)) trong cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((ban quang) OR (dan quang)) trong cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((ban quang) OR (dan quang)) trong cong manh toan ban*.