Perhaps you should try some spelling variations:
john ngosong » john song
hyoung yang » kyoung yang
min hyoung » min hong, mun young
chen yang » chen rong
yang hua » wang hua, yang hui, ying hua
ren yang » ren yan, dan yang, pei yang
saur » sur, spur

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "min hyoung yang hua ((ren yang) OR (chen yang)) john ngosong saur ;~".
• Adding a wildcard symbol may retrieve word variants: min hyoung yang hua ((ren yang) OR (chen yang)) john ngosong saur ;*.