Perhaps you should try some spelling variations:
"bo sach y thuat ung dung tvqg marketing" » "bo sach y thuat ung dung trong marketing", "bo sach y thuat ung dung tri marketing", "bo sach y thuat dung dung tvqg marketing", "bo sach y thuat hung dung tvqg marketing", "bo sach y thuat xung dung tvqg marketing", "bo sach y thuat ung dung tong marketing", "hoc sach y thuat ung dung tvqg marketing", "bo sach ky thuat ung dung tvqg marketing", "bo sach my thuat ung dung tvqg marketing", "bo sach kxy thuat ung dung tvqg marketing"
"co sach y thuat ung dung tvqg marketing" » "co sach y thuat ung dung trong marketing", "co sach y thuat ung dung tri marketing", "co sach y thuat dung dung tvqg marketing", "co sach y thuat hung dung tvqg marketing", "co sach y thuat xung dung tvqg marketing", "co sach y thuat ung dung tong marketing", "co sach ky thuat ung dung tvqg marketing", "co sach my thuat ung dung tvqg marketing", "co sach kxy thuat ung dung tvqg marketing", "cuon sach y thuat ung dung tvqg marketing", "hoc sach y thuat ung dung tvqg 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 tvqg marketing") OR ("co sach y thuat ung dung tvqg marketing"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bo sach y thuat ung dung tvqg marketing\") OR (\"co sach y thuat ung dung tvqg marketing\"))".
• Removing quotes may allow a broader search: (( bo sach y thuat ung dung tvqg marketing ) OR ( co sach y thuat ung dung tvqg marketing )).
• Adding a wildcard symbol may retrieve word variants: (("bo sach y thuat ung dung tvqg marketing") OR ("co sach y thuat ung dung tvqg marketing"))*.