Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
zhong zhi » zhang zhi, hong ghi, zhong tai
xi wang » x wang, li wang, xi kang
wang li » wang lei, wang lin, tang li
hong yu » wong yue
li yi » lin yi, li li, lu yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((ying yang) or (yang yang)) xi wang li yi ((zhong zhi) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((ying yang) OR (yang yang)) xi wang li yi ((zhong zhi) OR (hong yu)) ;*.