Thao Dinh was aged just 10 and fleeing post-war Vietnam without his parents when he spent seven months at a refugee camp in Sembawang in the early 1980s. When Mr Thao Dinh passed through Singapore’s Changi Airport about a decade ago on his way from his adopted home of Australia to Vietnam, the land of his birth, the stopover stirred up a wave of memories. In the 1980s, Mr Dinh, now 54, had called Singapore home for seven months as a 10-year-old, fleeing post-war Vietnam without his parents. He