Perhaps you should try some spelling variations:
"bo sach ki thuat ung dung tri marketing" » "bo sach ki thuat ung dung trong marketing", "bo sach ki thuat ung dung tvqg marketing", "bo sach ki thuat ung dung _ marketing", "bo sach ki thuat dung dung tri marketing", "bo sach ki thuat hung dung tri marketing", "bo sach ki thuat xung dung tri marketing", "bo sach ky thuat ung dung tri marketing", "bo sach ki thuat ung dung tai marketing", "bo sach ki thuat ung dung tren marketing", "bo sach ki thuat ung dung sai marketing", "hoc sach ki thuat ung dung tri marketing", "bo sach kinh thuat ung dung tri marketing", "bo sach bai thuat ung dung tri marketing", "bo sach kem thuat ung dung tri marketing"
"co sach ha thiet ung dung va marketing" » "co sach ha thiet ung dung van marketing", "co sach ha thiet ung dung tac marketing", "co sach ha thiet ung dung gia marketing", "co sach ha thuyet ung dung va marketing", "co sach ha thich ung dung va marketing", "co sach ha trien ung dung va marketing", "co sach hoa thiet ung dung va marketing", "co sach va thiet ung dung va marketing", "co sach ho thiet ung dung va marketing", "cuon sach ha thiet ung dung va marketing", "hoc sach ha thiet ung dung va marketing", "co sach nha thiet ung dung va marketing", "co sach han thiet ung dung va marketing", "co sach xa thiet ung dung va marketing"

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

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