Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hach toan » thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - thanh ((trung tuan) or (truong cua)) nhung cong ((tac toan) OR (hach toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung tuan) OR (truong cua)) nhung cong ((tac toan) OR (hach toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung tuan) or (truong cua)) nhung cong ((tac toan) OR (hach toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tuan) or (truong cua)) nhung cong ((tac toan) OR (hach toan)) ban*.