Perhaps you should try some spelling variations:
soon siong » boon siong, soon seng, soon soon
chang soon » chang won, chin soon, chang gordon
wang yang » wang yan, wang liang, wang yanling
yu cheng » yu chen, _ cheng
yan yuan » yan guan, fang yuan, yan clan
siong yu » hong yu, siong _, ming yu
hua ren » hua chen
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((yan yuan) OR (nan yan))) or (wang yang)) ((yu cheng) or (hua ren)) chang soon siong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yan yuan) OR (nan yan))) OR (wang yang)) ((yu cheng) OR (hua ren)) chang soon siong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((yan yuan) OR (nan yan))) or (wang yang)) ((yu cheng) or (hua ren)) chang soon siong yu ;".
• Adding a wildcard symbol may retrieve word variants: lang ((((yan yuan) OR (nan yan))) or (wang yang)) ((yu cheng) or (hua ren)) chang soon siong yu ;*.