Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
china soon » chin soon, china shen, china second
yang yang » wang yang, wang yan
soon wong » soon siong, john wong, soon ang
tan yong » tan hong, tan kong, tan yang
hua than » hua ban, hua chen, hua zhao
wong yue » wang yue, hong yu

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: lang ((tan yong) OR (yang yang)) hua than china soon wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: lang ((tan yong) or (yang yang)) hua than china soon wong yue ;*.