Perhaps you should try some spelling variations:
hyoung seo » hong seo
china wang » china yang, china chang, china zhang
chan wang » chen wang, chan kang, chan eng
dong bin » dong sin, dong di, dann bin
hua chen » jui chen, a chen, hua ren
yu chen » yu cheng, yi chen, yulu chen
bin ya » bin da, bin ja

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong bin ya ((hua chen) OR (yu chen)) ((chan wang) or (china wang)) hyoung seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong bin ya ((hua chen) OR (yu chen)) ((chan wang) OR (china wang)) hyoung seo ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong bin ya ((hua chen) OR (yu chen)) ((chan wang) or (china wang)) hyoung seo ;".
• Adding a wildcard symbol may retrieve word variants: dong bin ya ((hua chen) OR (yu chen)) ((chan wang) or (china wang)) hyoung seo ;*.