Perhaps you should try some spelling variations:
"bo sach va thuat chuong dung trinh marketing" » "bo sach va thuat chuong dung tri marketing", "bo sach va thuat chuong dung trong marketing", "bo sach va thuat cong dung trinh marketing", "bo sach va thuat hung dung trinh marketing", "bo sach va thuat song dung trinh marketing", "bo sach va thuat chuong duong trinh marketing", "bo sach va thuat cuong dung trinh marketing", "bo sach va thuat phuong dung trinh marketing", "bo sach va thuat chuong dung tinh marketing", "bo sach va thuat chuong dong trinh marketing", "bo sach va thuat chuong dung trich marketing", "bo sach ky thuat chuong dung trinh marketing", "bo sach ki thuat chuong dung trinh marketing", "bo sach va thuc chuong dung trinh marketing", "co sach va thuat chuong dung trinh marketing", "hoc sach va thuat chuong dung trinh marketing", "bo sach xa thuat chuong dung trinh marketing", "bo sach ha thuat chuong dung trinh marketing", "bo sach dao thuat chuong dung trinh marketing"
"bo sach my thuat xung dung dat marketing" » "bo sach my thuat xung dung tac marketing", "bo sach my thuat xung dung van marketing", "bo sach my thuat xung dung thuat marketing", "bo sach my thuat dung dung dat marketing", "bo sach my thuat hung dung dat marketing", "bo sach my thuat ung dung dat marketing", "bo sach my thuat cung dung dat marketing", "bo sach ky thuat xung dung dat marketing", "bo sach ki thuat xung dung dat marketing", "bo sach my thuat xung dung va marketing", "bo sach my thuat xung dung tai marketing", "co sach my thuat xung dung dat marketing", "hoc sach my thuat xung dung dat marketing", "bo sach y thuat xung dung dat marketing", "bo sach ty thuat xung dung dat marketing", "bo sach mau thuat xung dung dat 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 chuong dung trinh marketing") or ("bo sach my thuat xung dung dat marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach va thuat chuong dung trinh marketing") OR ("bo sach my thuat xung dung dat marketing")).
• Removing quotes may allow a broader search: (( bo sach va thuat chuong dung trinh marketing ) or ( bo sach my thuat xung dung dat marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach va thuat chuong dung trinh marketing") or ("bo sach my thuat xung dung dat marketing"))*.