Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hinh dinh » binh dinh, trinh dinh, hinh anh
cong cong » cong dong, trong cong, dung cong
dinh cua » dinh cuu, sinh cua, dinh cu
tac toan » tap toan, hach toan, tich toan
tam toan » tap toan, tam than, pham 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) or (chieu sach)) - hinh dinh cua cong cong ((tac toan) OR (tam toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - hinh dinh cua cong cong ((tac toan) OR (tam toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - hinh dinh cua cong cong ((tac toan) OR (tam toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - hinh dinh cua cong cong ((tac toan) OR (tam toan)) ban*.