Perhaps you should try some spelling variations:
yong hoang » dong hoang, hong hong, kong hang
wang yong » wang yang, wang hyoung, wang yan
wang ling » wang liang, wang jing, wang lin
wang ning » wang jing, wang liang, wang yang
hoang yi » hoang vu, yang yi, hoang sy
hong hai » shang hai, zhong tai, dang hai
hong yu » wong yue

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 hoang yi ((wang ling) OR (wang ning)) li ((hong hai) OR (hong yu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong hoang yi ((wang ling) OR (wang ning)) li ((hong hai) or (hong yu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong hoang yi ((wang ling) OR (wang ning)) li ((hong hai) or (hong yu)) ;*.