Perhaps you should try some spelling variations:
chang soon » chang won, chin soon, chang gordon
chang min » zhang ming, chang mae, chan ming
jeong shu » jeong su, cong shu
yao yang » yang yang
pui shen » wei shen, yi shen
yan yan » yan yuan, nan yan, yang yang
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan yan) or (yao yang)) pui shen ((chang min) or (chang soon)) jeong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yan) OR (yao yang)) pui shen ((chang min) OR (chang soon)) jeong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yan yan) or (yao yang)) pui shen ((chang min) or (chang soon)) jeong shu ;*.