Perhaps you should try some spelling variations:
trong marketing » tri marketing, tvqg marketing
thuat nhung » thuat hung, thuat chung, thuat chuong
nhung dung » phuong dung, thong dung, trung dung
mau thuat » ma thuat, mau thuan, phau thuat
thuat ung » thuat dung, thuat hung, thuat xung
ki thuat » ky thuat
sach mau » sach dau, sach dao, bach mai
bo sach » co sach, hoc sach
sach ki » sach kinh, sach bai, sach kem

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 nhung dung trong marketing ) or ( bo sach mau thuat ung dung trong marketing ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bo sach ki thuat nhung dung trong marketing ) OR ( bo sach mau thuat ung dung trong marketing )).
• Adding a wildcard symbol may retrieve word variants: (( bo sach ki thuat nhung dung trong marketing ) or ( bo sach mau thuat ung dung trong marketing ))*.