Perhaps you should try some spelling variations:
trong marketing » tvqg marketing
tri marketing » tvqg marketing, _ marketing, cuu marketing
thuat xung » thuat hung, thuat ung, thuat song
thuat dung » thuat hung, thuat ung, thuat song
xung dung » ung dung, cung dung, cuong dung
dung dung » ung dung, dung ung, dung dong
dung tri » dung tai, dung tren, dung sai
bo sach » co sach, hoc sach
sach ky » sac ky, sach y, sach ty
co cac » cho cac, ca cac, co cau

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