Perhaps you should try some spelling variations:
congo shu » cong shu
yan tuan » yan guan, yan yuan, anh tuan
tuan hua » tan hua, tuan vu, yuan hui
yang jie » yang jin, yang di, yang jui
yang jun » yang jui, pang jun, yang jin
yan jiu » yang jin, pang jiu
wang » wing, wan, lang

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 yan tuan hua (rene OR irene) ((((yan jiu) OR (yang jie))) OR (yang jun)) congo shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan tuan hua (rene or irene) ((((yan jiu) OR (yang jie))) or (yang jun)) congo shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan tuan hua (rene or irene) ((((yan jiu) OR (yang jie))) or (yang jun)) congo shu ;*.