Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
yuan wang » yuan kang, yuan chang, qian wang
zhong tai » hong tan, hong hai
zhong zhi » zhang zhi, hong ghi
yan wang » yang yang, qian wang, yan liang
yan jun » yang jun, yan kun, san juan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan yang ((yuan wang) OR (yan wang)) yan jun ((zhong tai) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan yang ((yuan wang) OR (yan wang)) yan jun ((zhong tai) OR (zhong zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan yang ((yuan wang) OR (yan wang)) yan jun ((zhong tai) or (zhong zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yidan yang ((yuan wang) OR (yan wang)) yan jun ((zhong tai) or (zhong zhi)) ;*.