Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung quang » truong quang, trong quang, trung quan
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
quang dung » quang trung, ung dung, cuong dung
dung cong » dung trong
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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) or (chieu sang)) - thanh trung quang dung cong ((tac toan) or (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh trung quang dung cong ((tac toan) OR (hach toan)) cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - thanh trung quang dung cong ((tac toan) or (hach toan)) cao*.