Perhaps you should try some spelling variations:
hyoung sau » young sae
yan hyoung » wang hyoung, man houng, min hyoung
wang yong » wang yang, wang hyoung, wang shiyong
zhang lin » zhang xin, zhang jin, zhang li
zhang yan » zhang fan, zhang jian
phang li » zhang li, tang li, heng li
wu zhang » wu zhong, _ zhang, li zhang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yong) OR (wang yan)) ((phang li) OR (zhang lin)) wu zhang yan hyoung sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yong) or (wang yan)) ((phang li) OR (zhang lin)) wu zhang yan hyoung sau ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (wang yan)) ((phang li) OR (zhang lin)) wu zhang yan hyoung sau ;*.