Perhaps you should try some spelling variations:
chang soon » chin soon, chang gordon
yang yang » wang yang, wang yan
chang won » chang ann, chang min, chang you
hua chin » hua chen, hsu chin
yan yan » yan yuan, wang yan, qian yan
nan yan » nan ya, wang yan, qian yan
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((((yan yan) or (yang yang))) or (nan yan)) hua chin ((chang soon) OR (chang won)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((((yan yan) OR (yang yang))) OR (nan yan)) hua chin ((chang soon) OR (chang won)) hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((((yan yan) or (yang yang))) or (nan yan)) hua chin ((chang soon) OR (chang won)) hong yu ;*".