Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang lang » yang liang, yang yang, lang lang
lang hua » wang hua, wang hui, dong hua
yang kin » yang jin, yang lin, yang jing
pang kin » pang jun, kang kim, pang jiu
keong yu » hong yu, jeong su, rong yu
hua ren » hua chen

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang lang hua ren ((yang kin) or (pang kin)) keong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang lang hua ren ((yang kin) OR (pang kin)) keong yu ;.
• Adding a wildcard symbol may retrieve word variants: dong yang lang hua ren ((yang kin) or (pang kin)) keong yu ;*.