Perhaps you should try some spelling variations:
chang han » chang ha, zhang han, chang chuan
cheng han » chen hao
hyoung il » hong il
wing tan » wing ian, liang tan, hong tan
kyung il » kyung min
tan tan » tas tan, tin tan, tang tang
tan yan » tan yang, nan yan, wang yan
yan han » man han, yan zhang, kang han

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: wing tan tan yan han ((chang han) OR (cheng han)) ((kyung il) OR (hyoung il)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan tan yan han ((chang han) OR (cheng han)) ((kyung il) or (hyoung il)) ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan tan yan han ((chang han) OR (cheng han)) ((kyung il) or (hyoung il)) ;*.