Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
jiu congo » jiu cong, du congo, eic congo
congo shu » cong shu
tan puay » tan hua
tuan hua » tan hua, tuan vu, yuan hui
rene yan » ren yan, rene ten, see yan
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang ((tan puay) or (tuan hua)) rene yan jiu congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang ((tan puay) OR (tuan hua)) rene yan jiu congo shu ;.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((tan puay) or (tuan hua)) rene yan jiu congo shu ;*.