Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
hung thang » cang thang, hung tran
thang cua » thong cua, hang cua, than cua
cua dung » cua dang, cua dong, qua dung
cac toan » cac khoan, hach toan, cac thanh
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: theo ((((chieu sach) OR (chieu xanh))) or (chiet tach)) - hung thang cua dung trong cac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chieu xanh))) OR (chiet tach)) - hung thang cua dung trong cac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu sach) OR (chieu xanh))) or (chiet tach)) - hung thang cua dung trong cac toan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sach) OR (chieu xanh))) or (chiet tach)) - hung thang cua dung trong cac toan tap*.