Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cang thang » dang thanh
cong thanh » dong thanh, cong trinh, cong tan
thong cong » trong cong, tong cong, thong thong
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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)) - ((cang thang) OR (cong thanh)) va thong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - ((cang thang) OR (cong thanh)) va thong cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - ((cang thang) OR (cong thanh)) va thong cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - ((cang thang) OR (cong thanh)) va thong cong tac toan tap*.