Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
tuan china » wuhan china, can china, yunnan china
yuan wang » yan wang, yuan kang, qian wang
rene wang » wen wang
wang lin » wang li, wang qin, yang lin
lin wong » lin zong, kie wong, lin ling
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: ((yuan wang) OR (yuan chang)) ((tuan china) OR (taiwan china)) rene wang lin wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yuan chang)) ((tuan china) or (taiwan china)) rene wang lin wong yue ;*.