Perhaps you should try some spelling variations:
chang boon » chang soon, cheng boon, chang won
chin chang » china chang, chain change, china zhang
boon siong » soon siong, boon chong
siong seo » hong seo
hua chin » hua chen, hsu chin
gang yao » yang yao, wang yan, ganga ya
yang yi » yang di, yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang qiao) or (((gang yao) or (yang yi)))) wang hua chin chang boon siong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang qiao) OR (((gang yao) OR (yang yi)))) wang hua chin chang boon siong seo ;.
• Adding a wildcard symbol may retrieve word variants: ((wang qiao) or (((gang yao) or (yang yi)))) wang hua chin chang boon siong seo ;*.