Perhaps you should try some spelling variations:
"bo sac ky thuat ung dung trong marketing" » "bo sac ky thuat ung dung tvqg marketing", "bo sac ky thuat hung dung trong marketing", "bo sac ky thuat xung dung trong marketing", "bo sac ky thuat song dung trong marketing", "bo cac ky thuat ung dung trong marketing", "bo sai ky thuat ung dung trong marketing"
"bo sach mau thuat dung dung tri marketing" » "bo sach mau thuat dung dung tvqg marketing", "bo sach mau thuat dung dung _ marketing", "bo sach mau thuat dung dung cuu marketing", "bo sach mau thuat hung dung tri marketing", "bo sach mau thuat xung dung tri marketing", "bo sach mau thuat song dung tri marketing", "bo sach ma thuat dung dung tri marketing", "bo sach mau thuan dung dung tri marketing", "bo sach phau thuat dung dung tri marketing", "bo sach mau thuat dung ung tri marketing", "bo sach mau thuat dung dong tri marketing", "bo sach mau thuat dang dung tri marketing", "bo sach dau thuat dung dung tri marketing", "bo sach dao thuat dung dung tri marketing", "bo bach mai thuat dung dung tri marketing", "bo sach mau thuat dung dung tai marketing", "bo sach mau thuat dung dung tren marketing", "bo sach mau thuat dung dung sai marketing", "co sach mau thuat dung dung tri marketing", "hoc sach mau thuat dung dung tri marketing"

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

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