Perhaps you should try some spelling variations:
"bo sach va thuc hung dung trong marketing" » "bo sach va thuc hung dung tri marketing", "bo sach va thuc hung dung tvqg marketing", "bo sach va thuc chung dung trong marketing", "bo sach va thuc nhung dung trong marketing", "bo sach va thuc dung dung trong marketing", "bo sach va thuc phung dung trong marketing", "bo sach va thuc ung dung trong marketing", "co sach va thuc hung dung trong marketing", "hoc sach va thuc hung dung trong marketing", "bo sach xa thuc hung dung trong marketing", "bo sach ha thuc hung dung trong marketing", "bo sach nha thuc hung dung trong marketing"
"bo sach dao thuat dung dung trong marketing" » "bo sach dao thuat dung dung tri marketing", "bo sach dao thuat dung dung tvqg marketing", "bo sach dao thuat hung dung trong marketing", "bo sach dao thuat ung dung trong marketing", "bo sach dao thuat xung dung trong marketing", "bo sach dao phat dung dung trong marketing", "bo sach va thuat dung dung trong marketing", "bo sach cac thuat dung dung trong marketing", "bo sach dao thuat dung ung trong marketing", "bo sach dao thuat dung dong trong marketing", "bo lanh dao thuat dung dung trong marketing", "co sach dao thuat dung dung trong marketing", "hoc sach dao thuat dung dung trong 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 hung dung trong marketing") or ("bo sach dao thuat dung dung trong marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach va thuc hung dung trong marketing") OR ("bo sach dao thuat dung dung trong marketing")).
• Removing quotes may allow a broader search: (( bo sach va thuc hung dung trong marketing ) or ( bo sach dao thuat dung dung trong marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach va thuc hung dung trong marketing") or ("bo sach dao thuat dung dung trong marketing"))*.