Perhaps you should try some spelling variations:
chang soon » chin soon, chang gordon
wang yang » wang yan, wang liang, wang yanling
chang won » chang ann, chang min, chang you
yang man » yang fan, yang dean, yang yang
man han » man hat, man can, man kann
hong yu » wong yue
han en » han men, van en, chan eng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang man han en ((chang won) or (chang soon)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang man han en ((chang won) OR (chang soon)) hong yu ;*.