Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yuan wang » yan wang, yuan kang, yu wang
qian wang » yiqian wang, qian rong, qian yan
zhong zhi » zhang zhi, hong ghi
zhong tai » hong tan, hong hai
yan y » yang y, yan _, yan 4
y hu » y su, y h, і hu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan y hu rene ((((yuan wang) OR (yuan chang))) or (qian wang)) ((zhong zhi) or (zhong tai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan y hu rene ((((yuan wang) OR (yuan chang))) OR (qian wang)) ((zhong zhi) OR (zhong tai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan y hu rene ((((yuan wang) OR (yuan chang))) or (qian wang)) ((zhong zhi) or (zhong tai)) ;*".