Complex sentence: Bánh bao is an old fashion Cantonese dim sum call Tai Pao 大包 (meaning big bun) brought to Vietnam by Cantonese Immigrants, it was invented during the hardship days of old China to feed the ordinary people.
Split into simpler sentences: Bánh bao is an old fashioned Cantonese dim sum called "tai pao" 大包 (literally "big bun") brought to Vietnam by Cantonese immigrants. It was invented during the hardship days of old China to feed the ordinary people.