Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
juan rene » juan meng, juan rana
tan zhang » yan zhang, tang zheng, tan hong
zhang zhi » zhong zhi, wang zhi, zhang wei
hua chen » jui chen, a chen, hua ren
yang tan » yang fan, yang dean, yang yang
yong ka » ong ka, yang ka, yong kim
yu chen » yu cheng, yi chen, yulu chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong ka ((juan rene) or (((hua chen) OR (yu chen)))) yang tan zhang zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong ka ((juan rene) OR (((hua chen) OR (yu chen)))) yang tan zhang zhi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong ka ((juan rene) or (((hua chen) OR (yu chen)))) yang tan zhang zhi ;".
• Adding a wildcard symbol may retrieve word variants: wang yong ka ((juan rene) or (((hua chen) OR (yu chen)))) yang tan zhang zhi ;*.