Perhaps you should try some spelling variations:
sun japan » sino japan, can japan, men japan
zhong tai » hong tan, hong hai
zhong zhi » zhang zhi, hong ghi
sun jian » vun jian, sun qiang, sun yan
jun qian » sun qiang, ji qian, jun jean
yang jie » yang jin, yang di, yang jui
wan yan » wang yan, nan yan, wai yan
yan han » man han, yan zhang, kang han

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: wan yan han ((((sun jian) OR (sun japan))) OR (jun qian)) yang jie ((zhong tai) OR (zhong zhi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan han ((((sun jian) OR (sun japan))) or (jun qian)) yang jie ((zhong tai) or (zhong zhi)) ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan han ((((sun jian) OR (sun japan))) or (jun qian)) yang jie ((zhong tai) or (zhong zhi)) ;*.