Perhaps you should try some spelling variations:
trong marketing » tvqg marketing
tri marketing » tvqg marketing, _ marketing, cuu marketing
thuat ung » thuat dung, thuat hung, thuat xung
my thuat » ky thuat, ki thuat, va thuat
dung tri » dung tai, dung tren, dung sai
bo sach » co sach, hoc sach
y thuat » ky thuat, kxy thuat, ki thuat
sach my » sach ty, sach mau, sach moi

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