Good anti-French wartime examples in Viet Nam history true?

On the Vietnam Students' Union website on the 23rd of December, quoted by Hue University professor of science, Mr. Ha Van Thinh confirmed that 'it is not true for To Vinh Dien to take the body to stop the artillery battery'.

Trường Phổ Thông Cơ Sở Tô Vĩnh Điện, Hà Nội Source: To Vinh Dien School

In addition, the legend of Le Van Tam putting his gasoline in his body and running into the French gas depot was also considered a fiction.

Will the stories set up during the war to propagate at a time, will the Vietnamese authorities return the truth in history?

Dr. Nguyen Quang A in an interview with SBS Vietnamese said he was very suspicious.