<prompt> Bhala ukuqhubeka kwalesi sigaba - UHem Thon Vitiny ; owazalwa ngo-7 Septhemba 1993 ePhnom Penh, eCambodia ungumbhukudi waseCambodia. Wancintisana kuma-Olympics asehlobo ka-2012 emncintiswaneni wamamitha angama-50 wamahhala  <response>: futhi waqeda ngo-57 emzuliswaneni wokuqala. UVitiny akazange adlulele kuma-semifinal. 