Perhaps you should try some spelling variations:
lang hyoung » wang hyoung, hwang byoung
kang young » wang hyoung
gun hua » gui hua, tuan hua
wei yan » wei yang, wei yuan, wai yan
yan jiu » yang jie, yang jin, pang jiu
long du » long d, long run, long did
long do » long d, longer do, long ago

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang hyoung) OR (kang young)) gun hua wei yan jiu ((long du) or (long do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang hyoung) OR (kang young)) gun hua wei yan jiu ((long du) OR (long do)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang hyoung) OR (kang young)) gun hua wei yan jiu ((long du) or (long do)) ;*".