Perhaps you should try some spelling variations:
"bo sach ki thuat xung dung thi marketing" » "bo sach ki thuat xung dung thien marketing", "bo sach ki thuat xung dung thay marketing", "bo sach ki thuat xung dung tac marketing", "bo sach ki thuat dung dung thi marketing", "bo sach ki thuat hung dung thi marketing", "bo sach ki thuat ung dung thi marketing", "bo sach ki thuat cung dung thi marketing", "bo sach ky thuat xung dung thi marketing", "bo sach ki thuat xung dung tai marketing", "bo sach ki thuat xung dung chi marketing", "bo sach ki thuat xung dung thu marketing", "co sach ki thuat xung dung thi marketing", "hoc sach ki thuat xung dung thi marketing", "bo sach kinh thuat xung dung thi marketing", "bo sach bai thuat xung dung thi marketing", "bo sach kem thuat xung dung thi marketing"
"hoc sinh y thuat song dung tri marketing" » "hoc sinh y thuat song dung trong marketing", "hoc sinh y thuat song dung tvqg marketing", "hoc sinh y thuat song dung _ marketing", "hoc sinh y thuat song duong tri marketing", "hoc sinh y thuat cong dung tri marketing", "hoc sinh y thuat song dong tri marketing", "hoc sinh y thuat song dung tai marketing", "hoc sinh y thuat song dung tren marketing", "hoc sinh y thuat song dung sai marketing", "hoc sinh ky thuat song dung tri marketing", "hoc sinh my thuat song dung tri marketing", "hoc sinh kxy thuat song dung tri marketing", "hoc sinh ly thuat song 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 xung dung thi marketing") or ("hoc sinh y thuat song dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("bo sach ki thuat xung dung thi marketing") OR ("hoc sinh y thuat song dung tri marketing"))*.
• Removing quotes may allow a broader search: (( bo sach ki thuat xung dung thi marketing ) or ( hoc sinh y thuat song dung tri marketing ))*.