Perhaps you should try some spelling variations:
"bo sach my thuat chung dung thi marketing" » "bo sach my thuat chung dung thien marketing", "bo sach my thuat chung dung thay marketing", "bo sach my thuat chung dung tac marketing", "bo sach my thuat chuong dung thi marketing", "bo sach my thuat hung dung thi marketing", "bo sach my thuat nhung dung thi marketing", "bo sach my thuat cung dung thi marketing", "bo sach my thuat phung dung thi marketing", "bo sach ky thuat chung dung thi marketing", "bo sach ki thuat chung dung thi marketing", "bo sach my thuat chung dung tai marketing", "bo sach my thuat chung dung tri marketing", "bo sach my thuat chung dung chi marketing", "co sach my thuat chung dung thi marketing", "hoc sach my thuat chung dung thi marketing", "bo sach y thuat chung dung thi marketing", "bo sach ty thuat chung dung thi marketing", "bo sach mau thuat chung dung thi marketing"
"bo sach va thuat huong ung tri marketing" » "bo sach va thuat huong ung trong marketing", "bo sach va thuat huong ung tvqg marketing", "bo sach va thuat huong ung _ marketing", "bo sach va thuat chuong ung tri marketing", "bo sach va thuat hung ung tri marketing", "bo sach va thuat tuong ung tri marketing", "bo sach va thuat dung ung tri marketing", "bo sach ky thuat huong ung tri marketing", "bo sach ki thuat huong ung tri marketing", "bo sach va thuc huong ung tri marketing", "co sach va thuat huong ung tri marketing", "hoc sach va thuat huong ung tri marketing", "bo sach xa thuat huong ung tri marketing", "bo sach ha thuat huong ung tri marketing", "bo sach dao thuat huong ung tri marketing", "bo sach va thuat huong dung tri marketing", "bo sach va thuat huong cung tri marketing", "bo sach va thuat huong quang tri 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 va thuat huong ung tri marketing") or ("bo sach my thuat chung dung thi marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach va thuat huong ung tri marketing") OR ("bo sach my thuat chung dung thi marketing")).
• Removing quotes may allow a broader search: (( bo sach va thuat huong ung tri marketing ) or ( bo sach my thuat chung dung thi marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach va thuat huong ung tri marketing") or ("bo sach my thuat chung dung thi marketing"))*.