Perhaps you should try some spelling variations:
yuhan yang » yuhuan huang
yuan wang » yuan kang, yuan chang, yu wang
qian wang » yiqian wang, qian rong, qian yan
yang yang » wang yang, wang yan
yan wang » yan liang, yan zhang, yan cong
yang kim » yong kim, kang kim, hyung kim
kim ning » kim ching, kim eung, kim song
ning zhu » ying zhu, jing zhu, liang zhu

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 wang) OR (yuan wang))) OR (qian wang)) yuhan yang yang kim ning zhu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yan wang) OR (yuan wang))) or (qian wang)) yuhan yang yang kim ning zhu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((((yan wang) OR (yuan wang))) or (qian wang)) yuhan yang yang kim ning zhu ;*.