Perhaps you should try some spelling variations:
chang yang » chen yang, wang yang, yang yang
wang wang » wang yang, wang liang, wang yan
wang yong » wang yang, wang hyoung, wang yan
zhang yan » zhang fan, zhang jian, wang yan
yan yuan » yan guan, fang yuan, nan yan
eang hay » dang hai, kang han
yi eang » yi gang, yi yang, yi chang

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 wang) OR (wang yong)) yan yuan ((chang yang) OR (zhang yan)) yi eang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yong)) yan yuan ((chang yang) OR (zhang yan)) yi eang hay ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yong)) yan yuan ((chang yang) OR (zhang yan)) yi eang hay ;*.