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