Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong wang » hong wang, yong phang, ping wang
daun yang » dan yang, du yang, tan yang
zhang yan » zhang fan, zhang jian, wang yan
shang hai » shang kai, dang hai, chang ha
hua daun » hua ban
yang xi » yang di, yang yi, yang jui

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 wang hua daun yang xi ((zhang yan) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong wang hua daun yang xi ((zhang yan) OR (shang hai)) ;*.