Perhaps you should try some spelling variations:
"bo sach ki thuat hung dung trong marketing" » "bo sach ki thuat hung dung tvqg marketing", "bo sach ki thuat dung dung trong marketing", "bo sach ki thuat ung dung trong marketing", "bo sach ki thuat xung dung trong marketing", "bo sach ki thuat nhung dung trong marketing", "bo sach ki thuat phung dung trong marketing", "bo sach ky thuat hung dung trong marketing", "co sach ki thuat hung dung trong marketing", "bo sach kinh thuat hung dung trong marketing", "bo sach bai thuat hung dung trong marketing", "bo sach kem thuat hung dung trong marketing"
"hoc sach y thuat vung dung tri marketing" » "hoc sach y thuat vung dung tvqg marketing", "hoc sach y thuat vung dung _ marketing", "hoc sach y thuat vung dung cuu marketing", "hoc sach y thuat dung dung tri marketing", "hoc sach y thuat ung dung tri marketing", "hoc sach y thuat xung dung tri marketing", "hoc sach y thuat vuong dung tri marketing", "hoc sach y thuat vung dong tri marketing", "hoc sinh y thuat vung dung tri marketing", "hoc cac y thuat vung dung tri marketing", "hoc anh y thuat vung dung tri marketing", "hoc sach y thuat vung dung tai marketing", "hoc sach y thuat vung dung tren marketing", "hoc sach y thuat vung dung sai marketing", "hoc sach ky thuat vung dung tri marketing", "hoc sach my thuat vung dung tri marketing", "hoc sach kxy thuat vung 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 ki thuat hung dung trong marketing") or ("hoc sach y thuat vung dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach ki thuat hung dung trong marketing") OR ("hoc sach y thuat vung dung tri marketing"))*.
• Removing quotes may allow a broader search: (( bo sach ki thuat hung dung trong marketing ) or ( hoc sach y thuat vung dung tri marketing ))*.