Complex sentence: Nguyễn Thiên Nga (born 1976 in Ho Chi Minh city) was crowned the 5th Miss Vietnam in 1996 when she was a second year student at Foreign Trade University, Ho Chi Minh City.
Split into simpler sentences: Nguyễn Thiên Nga (born 1976 in Ho Chi Minh city) was crowned the 5th Miss Vietnam in 1996. At the time of the contest she was a second year student at the Foreign Trade University in Ho Chi Minh City.