Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
han chang » huang chang, than change, can change
chang won » chang soon, chang ann, chang min
shang hai » shang kai, dang hai, chang ha
wong yue » wang yue
yang xi » yang di, yang yi, yang jui
xi han » ti han, xi zhang

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 yong yang xi han chang won ((shang hai) OR (((hong yu) OR (wong yue)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yang xi han chang won ((shang hai) or (((hong yu) OR (wong yue)))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong yang xi han chang won ((shang hai) or (((hong yu) OR (wong yue)))) ;*.