Perhaps you should try some spelling variations:
"bo sach va thuc ung dung trong marketing" » "bo sach va thuc ung dung tri marketing", "bo sach va thuc ung dung tvqg marketing", "bo sach va thuc dung dung trong marketing", "bo sach va thuc cung dung trong marketing", "bo sach va thuc uong dung trong marketing", "co sach va thuc ung dung trong marketing", "hoc sach va thuc ung dung trong marketing", "bo sach xa thuc ung dung trong marketing", "bo sach ha thuc ung dung trong marketing", "bo sach dao thuc ung dung trong marketing"
"bo sach va thuat ung dung cong marketing" » "bo sach va thuat ung dung dong marketing", "bo sach va thuat ung dung cuu marketing", "bo sach va thuat ung dung tvqg marketing", "bo sach va thuat dung dung cong marketing", "bo sach va thuat hung dung cong marketing", "bo sach va thuat xung dung cong marketing", "bo sach ky thuat ung dung cong marketing", "bo sach ki thuat ung dung cong marketing", "bo sach va thiet ung dung cong marketing", "co sach va thuat ung dung cong marketing", "hoc sach va thuat ung dung cong marketing", "bo sach xa thuat ung dung cong marketing", "bo sach ha thuat ung dung cong marketing", "bo sach dao thuat ung dung cong marketing"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("bo sach va thuc ung dung trong marketing") or ("bo sach va thuat ung dung cong marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach va thuc ung dung trong marketing") OR ("bo sach va thuat ung dung cong marketing")).
• Removing quotes may allow a broader search: (( bo sach va thuc ung dung trong marketing ) or ( bo sach va thuat ung dung cong marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach va thuc ung dung trong marketing") or ("bo sach va thuat ung dung cong marketing"))*.