Perhaps you should try some spelling variations:
"bo sach y thuat ung dung trong marketing" » "bo sach y thuat ung dung tri marketing", "bo sach y thuat ung dung tvqg marketing", "bo sach y thuat hung dung trong marketing", "bo sach y thuat xung dung trong marketing", "bo sach y thuat song dung trong marketing", "co sach y thuat ung dung trong marketing", "hoc sach y thuat ung dung trong marketing", "bo sach ky thuat ung dung trong marketing", "bo sach my thuat ung dung trong marketing", "bo sach kxy thuat ung dung trong marketing"
"bo sach y thuat dung dung trong marketing" » "bo sach y thuat dung dung tri marketing", "bo sach y thuat dung dung tvqg marketing", "bo sach y thuat hung dung trong marketing", "bo sach y thuat xung dung trong marketing", "bo sach y thuat song dung trong marketing", "bo sach y thuat dung ung trong marketing", "bo sach y thuat dung dong trong marketing", "bo sach y thuat dang dung trong marketing", "co sach y thuat dung dung trong marketing", "hoc sach y thuat dung dung trong marketing", "bo sach ky thuat dung dung trong marketing", "bo sach my thuat dung dung trong marketing", "bo sach kxy thuat dung dung trong marketing"

Try widening your search to All Fields.

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