Perhaps you should try some spelling variations:
yong hoang » dong hoang, hong hong, kong hang
wang yong » wang yang, wang hyoung, wang yan
hoang des » gang des, zwang des
shang hai » shang kai, dang hai, hong hai
des rent » des real
chang ha » chang mae
wong yue » wang yue, hong yu
lang li » liang li, ling li, tang li

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 des rent lang li ((((shang hai) OR (chang ha))) OR (wong yue)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong hoang des rent lang li ((((shang hai) or (chang ha))) or (wong yue)) ;*.