Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chat thong » chat chong, chat phong, chat trong
thong cong » trong cong, tong cong, thong thong
canh tinh » hanh tinh, manh tinh, canh tranh
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 - canh tinh chat thong cong ((tac toan) or (hach toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tinh chat thong cong ((tac toan) OR (hach toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tinh chat thong cong ((tac toan) or (hach toan)) cao*.