Perhaps you should try some spelling variations:
"hoc sinh my thuat ung dung tai marketing" » "hoc sinh my thuat ung dung tac marketing", "hoc sinh my thuat ung dung thi marketing", "hoc sinh my thuat ung dung thay marketing", "hoc sinh my thuat dung dung tai marketing", "hoc sinh my thuat hung dung tai marketing", "hoc sinh my thuat xung dung tai marketing", "hoc sinh ky thuat ung dung tai marketing", "hoc sinh ki thuat ung dung tai marketing", "hoc sinh va thuat ung dung tai marketing", "hoc sinh ly thuat ung dung tai marketing", "hoc sinh y thuat ung dung tai marketing", "hoc sinh ma thuat ung dung tai marketing"
"hoc cac my thuat ung dung tri marketing" » "hoc cac my thuat ung dung trong marketing", "hoc cac my thuat ung dung tvqg marketing", "hoc cac my thuat ung dung _ marketing", "hoc cac my thuat dung dung tri marketing", "hoc cac my thuat hung dung tri marketing", "hoc cac my thuat xung dung tri marketing", "hoc cac ky thuat ung dung tri marketing", "hoc cac ki thuat ung dung tri marketing", "hoc cac va thuat ung dung tri marketing", "hoc cac my thuat ung dung tren marketing", "hoc cac my thuat ung dung sai marketing", "hoc cac my thuat ung dung doi marketing", "hoc cao my thuat ung dung tri 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: (("hoc sinh my thuat ung dung tai marketing") or ("hoc cac my thuat ung dung tri marketing"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("hoc sinh my thuat ung dung tai marketing") OR ("hoc cac my thuat ung dung tri marketing")).
• Removing quotes may allow a broader search: (( hoc sinh my thuat ung dung tai marketing ) or ( hoc cac my thuat ung dung tri marketing )).
• Adding a wildcard symbol may retrieve word variants: (("hoc sinh my thuat ung dung tai marketing") or ("hoc cac my thuat ung dung tri marketing"))*.