Perhaps you should try some spelling variations:
trong marketing » tri marketing, tvqg marketing
thi marketing » tri marketing, thien marketing, thay marketing
duong sach » duong manh
thuat cung » thuat chung, thuat cong, thuat dung
cung dung » cuong dung, cung ung, cong dung
thuat ung » thuat dung, thuat hung, thuat xung
ki thuat » ky thuat
dung thi » dung tai, dung tri, dung chi
sach ki » sach kinh, sach bai, sach kem
co sach » bo sach, cuon sach, hoc sach
y thuat » ky thuat, my thuat, kxy thuat

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

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