Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, kyoung yun
yulu chen » yu chen
chan tung » chan eng, chan fong, chan kang
chung hui » chuang hui, chung hee, china hui
yu cheng » yu chen, _ cheng
chun hui » chuang hui, china hui, chun h
wang » wing, 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 or wan) hyoung yan ((yulu chen) or (yu cheng)) chan tung ((chung hui) OR (chun hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) hyoung yan ((yulu chen) OR (yu cheng)) chan tung ((chung hui) OR (chun hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) hyoung yan ((yulu chen) or (yu cheng)) chan tung ((chung hui) OR (chun hui)) ;*".