Perhaps you should try some spelling variations:
"hoc sach y thuat ung dung trong marketing" » "hoc sach y thuat ung dung tri marketing", "hoc sach y thuat dung dung trong marketing", "hoc sach y thuat hung dung trong marketing", "hoc sach y thuat xung dung trong marketing", "hoc sinh y thuat ung dung trong marketing", "hoc cac y thuat ung dung trong marketing", "hoc anh y thuat ung dung trong marketing", "hoc sach ky thuat ung dung trong marketing", "hoc sach my thuat ung dung trong marketing", "hoc sach kxy thuat ung dung trong marketing"
"cuon sach ki thuat ung dung tvqg marketing" » "cuon sach ki thuat ung dung tri marketing", "cuon sach ki thuat dung dung tvqg marketing", "cuon sach ki thuat hung dung tvqg marketing", "cuon sach ki thuat xung dung tvqg marketing", "duong sach ki thuat ung dung tvqg marketing", "cuoc cach ki thuat ung dung tvqg marketing", "co sach ki thuat ung dung tvqg marketing", "cuon sach ki thuat ung dung tong marketing", "cuon sach ky thuat ung dung tvqg marketing", "cuon sach kinh thuat ung dung tvqg marketing", "cuon sach bai thuat ung dung tvqg marketing", "cuon sach kem thuat ung dung tvqg marketing"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("hoc sach y thuat ung dung trong marketing") or ("cuon sach ki thuat ung dung tvqg marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("hoc sach y thuat ung dung trong marketing") OR ("cuon sach ki thuat ung dung tvqg marketing")).
• Removing quotes may allow a broader search: (( hoc sach y thuat ung dung trong marketing ) or ( cuon sach ki thuat ung dung tvqg marketing )).
• Adding a wildcard symbol may retrieve word variants: (("hoc sach y thuat ung dung trong marketing") or ("cuon sach ki thuat ung dung tvqg marketing"))*.