Perhaps you should try some spelling variations:
"bo sach ky thuat ung dung tac marketing" » "bo sach ky thuat ung dung tri marketing", "bo sach ky thuat ung dung van marketing", "bo sach ky thuat ung dung phap marketing", "bo sach ky thuat dung dung tac marketing", "bo sach ky thuat xung dung tac marketing", "bo sach ky thuat song dung tac marketing", "bo sach ky thuat ung dung tai marketing", "bo sach ky thuat ung dung cac marketing", "bo sach ky thuat ung dung tay marketing", "co sach ky thuat ung dung tac marketing", "bo sac ky thuat ung dung tac marketing", "bo sach y thuat ung dung tac marketing", "bo sach ty thuat ung dung tac marketing"
"hoc sach ki thuat hung dong dat marketing" » "hoc sach ki thuat hung dong van marketing", "hoc sach ki thuat hung dong thuat marketing", "hoc sach ki thuat hung dong phap marketing", "hoc sach ki thuat dung dong dat marketing", "hoc sach ki thuat xung dong dat marketing", "hoc sach ki thuat chuong dong dat marketing", "hoc sach ki thuat huong dong dat marketing", "hoc sach ki thuat vung dong dat marketing", "hoc sinh ki thuat hung dong dat marketing", "hoc cac ki thuat hung dong dat marketing", "hoc anh ki thuat hung dong dat marketing", "hoc sach ki thuat hung dong vat marketing", "hoc sach ki thuat hung dung dat marketing", "hoc sach ki thuat hung dong ha marketing", "hoc sach kinh thuat hung dong dat marketing", "hoc sach bai thuat hung dong dat marketing", "hoc sach kem thuat hung dong dat 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 ky thuat ung dung tac marketing") or ("hoc sach ki thuat hung dong dat marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach ky thuat ung dung tac marketing") OR ("hoc sach ki thuat hung dong dat marketing"))*.
• Removing quotes may allow a broader search: (( bo sach ky thuat ung dung tac marketing ) or ( hoc sach ki thuat hung dong dat marketing ))*.