1. Search on the video sharing website: If you want to find information related to Vietnamese food quickly, you can consider searching on the online video sharing website.

2. Go to the Vietnamese travel website to see the relevant food introduction videos: Vietnam is a country of food, and many Vietnamese travel websites will introduce Vietnamese food culture.

3. Contact local Vietnamese and participate in local food experience activities: If you want to know more about Vietnamese food culture, you can contact local Vietnamese and participate in local food experience activities.