Perhaps you should try some spelling variations:
trong marketing » tri marketing, tvqg marketing
thuat xung » thuat dung, thuat hung, thuat song
thuat ung » thuat dung, thuat hung, thuat song
xung dung » dung dung, cung dung, cuong dung
my thuat » ky thuat, ki thuat, va thuat
co sach » bo sach, cuon sach, hoc sach
sach my » sach y, sach ty, sach mau

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 my thuat ung dung trong marketing ) OR ( co sach my thuat xung dung trong marketing ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( co sach my thuat ung dung trong marketing ) OR ( co sach my thuat xung dung trong marketing ))".
• Adding a wildcard symbol may retrieve word variants: (( co sach my thuat ung dung trong marketing ) OR ( co sach my thuat xung dung trong marketing ))*.