Perhaps you should try some spelling variations:
chin soon » chang soon, chew soon
wang yao » wang yan, yang yao, wang tao
gang yao » yang yao, wang yan, ganga ya
yang hua » wang hua, yang hui, ying hua
hua chin » hua chen, hsu chin
cho soon » chor boon, choi woon, chew soon
heng seo » hong seo, peng sen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yao) or (gang yao)) yang hua chin ((chin soon) OR (cho soon)) heng seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yao) OR (gang yao)) yang hua chin ((chin soon) OR (cho soon)) heng seo ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yao) or (gang yao)) yang hua chin ((chin soon) OR (cho soon)) heng seo ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yao) or (gang yao)) yang hua chin ((chin soon) OR (cho soon)) heng seo ;*.