Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
chieu xanh » chieu tinh, hieu manh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (((chieu sang) OR (chieu xanh)))) - canh tranh cua dung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (((chieu sang) OR (chieu xanh)))) - canh tranh cua dung cong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (((chieu sang) OR (chieu xanh)))) - canh tranh cua dung cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (((chieu sang) OR (chieu xanh)))) - canh tranh cua dung cong tac toan ban*.