Perhaps you should try some spelling variations:
"bo sach mau thuat ung dung trong marketing" » "bo sach mau thuat ung dung tri marketing", "bo sach mau thuat ung dung tvqg marketing", "bo sach ma thuat ung dung trong marketing", "bo sach mau thuan ung dung trong marketing", "bo sach thu thuat ung dung trong marketing", "bo sach mau thuat dung dung trong marketing", "bo sach mau thuat hung dung trong marketing", "bo sach mau thuat xung dung trong marketing", "bo sach dau thuat ung dung trong marketing", "bo sach dao thuat ung dung trong marketing", "bo bach mai thuat ung dung trong marketing", "co sach mau thuat ung dung trong marketing", "hoc sach mau thuat ung dung trong marketing"
"bo sach phau thuat ung dung trong marketing" » "bo sach phau thuat ung dung tri marketing", "bo sach phau thuat ung dung tvqg marketing", "bo sach phau thuat dung dung trong marketing", "bo sach phau thuat hung dung trong marketing", "bo sach phau thuat xung dung trong marketing", "bo sach phat thuat ung dung trong marketing", "bo sach phap thuat ung dung trong marketing", "bo sach nha thuat ung dung trong marketing", "co sach phau thuat ung dung trong marketing", "hoc sach phau thuat ung dung trong 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 mau thuat ung dung trong marketing") OR ("bo sach phau thuat ung dung trong marketing"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bo sach mau thuat ung dung trong marketing\") OR (\"bo sach phau thuat ung dung trong marketing\"))".
• Removing quotes may allow a broader search: (( bo sach mau thuat ung dung trong marketing ) OR ( bo sach phau thuat ung dung trong marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach mau thuat ung dung trong marketing") OR ("bo sach phau thuat ung dung trong marketing"))*.