Perhaps you should try some spelling variations:
"bo sach my thuat ung dung trong marketing" » "bo sach my thuat ung dung tvqg marketing", "bo sach my thuat dung dung trong marketing", "bo sach my thuat xung dung trong marketing", "bo sach my thuat song dung trong marketing", "bo sach ky thuat ung dung trong marketing", "bo sach ki thuat ung dung trong marketing", "bo sach va thuat ung dung trong marketing", "co sach my thuat ung dung trong marketing", "hoc sach my thuat ung dung trong marketing", "bo sach y thuat ung dung trong marketing", "bo sach ty thuat ung dung trong marketing", "bo sach mau thuat ung dung trong marketing"
"bo sach dao thuat hung dung tri marketing" » "bo sach dao thuat hung dung tvqg marketing", "bo sach dao thuat hung dung _ marketing", "bo sach dao thuat hung dung cuu marketing", "bo sach dao thuat dung dung tri marketing", "bo sach dao thuat xung dung tri marketing", "bo sach dao thuat chuong dung tri marketing", "bo sach dao phat hung dung tri marketing", "bo sach va thuat hung dung tri marketing", "bo sach cac thuat hung dung tri marketing", "bo sach dao thuat nhung dung tri marketing", "bo sach dao thuat phung dung tri marketing", "bo lanh dao thuat hung dung tri marketing", "bo sach dao thuat hung dung tai marketing", "bo sach dao thuat hung dung tren marketing", "bo sach dao thuat hung dung sai marketing", "co sach dao thuat hung dung tri marketing", "hoc sach dao thuat hung 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 sach my thuat ung dung trong marketing") or ("bo sach dao thuat hung dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach my thuat ung dung trong marketing") OR ("bo sach dao thuat hung dung tri marketing"))*.
• Removing quotes may allow a broader search: (( bo sach my thuat ung dung trong marketing ) or ( bo sach dao thuat hung dung tri marketing ))*.