Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
chang soon » chang won, chin soon, chang gordon
wang wang » wang yang, wang liang, wang yong
soon hong » soon heng, boon chong, soon siong
tuan hua » tuan vu, yuan hui
yan hua » ya hua, wang hua, yan guan
tan hua » wang hua, tan chia, tan puay
hong yu » wong yue

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yan)) ((((yan hua) OR (tuan hua))) OR (tan hua)) china chang soon hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yan)) ((((yan hua) OR (tuan hua))) or (tan hua)) china chang soon hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yan)) ((((yan hua) OR (tuan hua))) or (tan hua)) china chang soon hong yu ;*.