Perhaps you should try some spelling variations:
"bo sach y thuat hung dung trong marketing" » "bo sach y thuat hung dung tri marketing", "bo sach y thuat dung dung trong marketing", "bo sach y thuat ung dung trong marketing", "bo sach y thuat chuong dung trong marketing", "bo sach y thuat nhung dung trong marketing", "bo sach y thuat phung dung trong marketing", "co sach y thuat hung dung trong marketing", "hoc sach y thuat hung dung trong marketing", "bo sach ky thuat hung dung trong marketing", "bo sach my thuat hung dung trong marketing", "bo sach kxy thuat hung dung trong marketing"
"bo sach mau thuat xung dung tvqg marketing" » "bo sach mau thuat xung dung tri marketing", "bo sach mau thuat dung dung tvqg marketing", "bo sach mau thuat ung dung tvqg marketing", "bo sach mau thuat song dung tvqg marketing", "bo sach ma thuat xung dung tvqg marketing", "bo sach mau thuan xung dung tvqg marketing", "bo sach phau thuat xung dung tvqg marketing", "bo sach mau thuat cung dung tvqg marketing", "bo sach mau thuat xung dung tong marketing", "bo sach dau thuat xung dung tvqg marketing", "bo sach dao thuat xung dung tvqg marketing", "bo bach mai thuat xung dung tvqg marketing", "co sach mau thuat xung dung tvqg marketing", "hoc sach mau thuat xung 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 y thuat hung dung trong marketing") or ("bo sach mau thuat xung dung tvqg marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach y thuat hung dung trong marketing") OR ("bo sach mau thuat xung dung tvqg marketing")).
• Removing quotes may allow a broader search: (( bo sach y thuat hung dung trong marketing ) or ( bo sach mau thuat xung dung tvqg marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach y thuat hung dung trong marketing") or ("bo sach mau thuat xung dung tvqg marketing"))*.