Among her best results are a silver medal from the 2009 World Youth Championships in medley relay, a seventh place in 100 metres on the same event and a fifth place from the 2010 Summer Youth Olympics also in 100 metres. In addition, Nguyen had won three Hungarian Athletics Championships in 100 metres (2009, 2010, 2011) and one in 200 metres (2011). She also the national junior record in 60 metres (7.40) and in 100 metres (11.55).