Perhaps you should try some spelling variations:
chiet tach » chieu sach
dong doanh » dung doanh, trong doanh, doanh doanh
chua dong » cua dong, ha dong, huy dong
hua khong » hoa khong, cua khong, hoac khong
doanh van » doan van, doanh va, doanh ban
ho chiet » ho chieu, ho thiet, hoc thiet
cua tong » cua cong, cua dong, cua nong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - canh tranh ((((cua tong) or (chua dong))) or (hua khong)) dong doanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh ((((cua tong) OR (chua dong))) OR (hua khong)) dong doanh van ban.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh ((((cua tong) or (chua dong))) or (hua khong)) dong doanh van ban*.