"Yongchang" . "Luo" . "Yongchang Luo"@en-AU . "羅永昶" . "Luo, Yongchang, director" . "羅永昶" . "羅永昌" . "director Yongchang Luo" . "(zhong guo li shi, 1983-) Yongchang Luo" . . "羅勇昶" . "羅永昌" . "Luo, Yongchang (zhong guo li shi, 1983-)" . . . "羅永昌, director" . "director 羅永昌" . "羅勇昶" . . .