Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, anh thanh
thanh toan » thanh hoa, thanh san, tinh toan
thuy tong » thuy thong, thuy trong, thuy hong
tong cong » trong cong, cong cong, dung cong
nhan toan » nhat toan, nganh toan, nhan thanh

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) or (chieu sach)) - canh thanh thuy tong cong ((nhan toan) OR (thanh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh thanh thuy tong cong ((nhan toan) OR (thanh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - canh thanh thuy tong cong ((nhan toan) OR (thanh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh thanh thuy tong cong ((nhan toan) OR (thanh toan)) tap*.