Perhaps you should try some spelling variations:
"bo sach y thuat hung ung tri marketing" » "bo sach y thuat hung ung trong marketing", "bo sach y thuat hung ung tvqg marketing", "bo sach y thuat hung ung _ marketing", "bo sach y thuat dung ung tri marketing", "bo sach y thuat ung ung tri marketing", "bo sach y thuat xung ung tri marketing", "bo sach y thuat huong ung tri marketing", "bo sach y thuat cung ung tri marketing", "hoc sach y thuat hung ung tri marketing", "bo sach ky thuat hung ung tri marketing", "bo sach my thuat hung ung tri marketing", "bo sach kxy thuat hung ung tri marketing", "bo sach y thuat hung dung tri marketing", "bo sach y thuat hung cung tri marketing", "bo sach y thuat hung quang tri marketing"
"co sach bai thuyet dung dung thi marketing" » "co sach bai thuyet dung dung thien marketing", "co sach bai thuyet dung dung thay marketing", "co sach bai thuyet dung dung tac marketing", "co sach bai thuyet dong dung thi marketing", "co sach bai thuyet hung dung thi marketing", "co sach bai thuyet ung dung thi marketing", "co sach li thuyet dung dung thi marketing", "co sach ba tuyet dung dung thi marketing", "co sach bam huyet dung dung thi marketing", "co sach bai thuyet dung ung thi marketing", "co sach bai thuyet dung dong thi marketing", "co sach dao thuyet dung dung thi marketing", "co cac bai thuyet dung dung thi marketing", "co sach xa thuyet dung dung thi marketing", "co sach bai thuyet dung dung tai marketing", "co sach bai thuyet dung dung tri marketing", "co sach bai thuyet dung dung chi marketing", "cuon sach bai thuyet dung dung thi marketing", "hoc sach bai thuyet dung dung thi 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 ung tri marketing") or ("co sach bai thuyet dung dung thi marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach y thuat hung ung tri marketing") OR ("co sach bai thuyet dung dung thi marketing")).
• Removing quotes may allow a broader search: (( bo sach y thuat hung ung tri marketing ) or ( co sach bai thuyet dung dung thi marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach y thuat hung ung tri marketing") or ("co sach bai thuyet dung dung thi marketing"))*.