Perhaps you should try some spelling variations:
boon siong » soon siong, boon chong
jane chen » jean chen, jie chen, kang chen
chen jean » chen jian, chen john, chen tan
jean fang » jia fang
fang boon » ong boon
siong nam » son nam, chong nam, jeong nam
yuqin » yuqing, suqin, yudin

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: "zhang (yuqin OR yuxin) jane chen jean fang boon siong nam ;~".
• Adding a wildcard symbol may retrieve word variants: zhang (yuqin OR yuxin) jane chen jean fang boon siong nam ;*.