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