Perhaps you should try some spelling variations:
"hoc sach ky thuat ung dung tri marketing" » "hoc sach ky thuat ung dung trong marketing", "hoc sach ky thuat ung dung tvqg marketing", "hoc sach ky thuat ung dung _ marketing", "hoc sach ky thuat dung dung tri marketing", "hoc sach ky thuat hung dung tri marketing", "hoc sach ky thuat xung dung tri marketing", "hoc sinh ky thuat ung dung tri marketing", "hoc cac ky thuat ung dung tri marketing", "hoc anh ky thuat ung dung tri marketing", "hoc sach ky thuat ung dung tai marketing", "hoc sach ky thuat ung dung tren marketing", "hoc sach ky thuat ung dung sai marketing", "hoc sac ky thuat ung dung tri marketing", "hoc sach y thuat ung dung tri marketing", "hoc sach ty thuat ung dung tri marketing"
"bo sach dao thuc ung dung dat marketing" » "bo sach dao thuc ung dung tac marketing", "bo sach dao thuc ung dung van marketing", "bo sach dao thuc ung dung thuat marketing", "bo lanh dao thuc ung dung dat marketing", "bo sach dan thuc ung dung dat marketing", "bo sach dao tuc ung dung dat marketing", "bo sach do thuc ung dung dat marketing", "bo sach dao thuc dung dung dat marketing", "bo sach dao thuc cung dung dat marketing", "bo sach dao thuc uong dung dat marketing", "bo sach dao thuc ung dung va marketing", "bo sach dao thuc ung dung tai marketing", "co sach dao thuc ung dung 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 dao thuc ung dung dat marketing") or ("hoc sach ky thuat ung dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach dao thuc ung dung dat marketing") OR ("hoc sach ky thuat ung dung tri marketing"))*.
• Removing quotes may allow a broader search: (( bo sach dao thuc ung dung dat marketing ) or ( hoc sach ky thuat ung dung tri marketing ))*.