Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trong hach » trong mach, trong cach, trong hanh
trung cua » truong cua, trung tuan, trung cap
truong ca » truong cao, truong va, trong ca
hach toan » thanh toan, manh 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) OR (chieu sach)) - thanh ((trung cua) or (truong ca)) dung trong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh ((trung cua) OR (truong ca)) dung trong hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - thanh ((trung cua) or (truong ca)) dung trong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - thanh ((trung cua) or (truong ca)) dung trong hach toan ban*.