Perhaps you should try some spelling variations:
china yang » china ying, china chang, china zhang
china wang » china chang, china zhang, china won
hyoung seo » hong seo
chan wang » chen wang, chan kang, chan eng
dong bin » dong sin, dong di, dann bin
hua chen » jui chen, yu chen, a 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 ((chan wang) or (((china wang) OR (china yang)))) hyoung seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong bin ya hua chen ((chan wang) OR (((china wang) OR (china yang)))) hyoung seo ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong bin ya hua chen ((chan wang) or (((china wang) OR (china yang)))) hyoung seo ;*".