Perhaps you should try some spelling variations:
trong marketing » tvqg marketing
tri marketing » tvqg marketing, _ marketing, cuu marketing
thuat hung » thuat dung, thuat xung, thuat chuong
thuat ung » thuat dung, thuat xung, thuat song
hung dung » nhung dung, phung dung, dung dung
dung tri » dung tai, dung tren, dung sai
co sach » bo sach, cuon sach, hoc sach
sach ky » sac ky, sach ty, sach kem
y thuat » my thuat, kxy thuat, ki thuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( co sach ky thuat ung dung trong marketing ) or ( co sach y thuat hung dung tri marketing ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( co sach ky thuat ung dung trong marketing ) OR ( co sach y thuat hung dung tri marketing )).
• Adding a wildcard symbol may retrieve word variants: (( co sach ky thuat ung dung trong marketing ) or ( co sach y thuat hung dung tri marketing ))*.