Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, kyoung yun, young yun
hyoung gun » young eun
jiu long » jiu cong, au long, eu long
long shu » cong shu, tong shui, long du
hua ren » hua chen
yan jiu » yang jie, yang jin, pang jiu
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((hyoung yan) OR (hyoung gun)) hua ren yan jiu long shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((hyoung yan) OR (hyoung gun)) hua ren yan jiu long shu ;".
• Adding a wildcard symbol may retrieve word variants: wang ((hyoung yan) OR (hyoung gun)) hua ren yan jiu long shu ;*.