Perhaps you should try some spelling variations:
hyoung seo » hong seo
wang yong » wang yang, wang hyoung, wang yan
hua cheng » hua chen, huang cheng, yuan cheng
zhang min » zhang ming, chang min, zhang jin
zhang xin » zhang jian, zhang ming, zhang fan
wan wang » wen wang, yan wang, wang yang
yong hua » dong hua, ying hua, wang hua

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan wang yong hua cheng ((zhang min) OR (zhang xin)) hyoung seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan wang yong hua cheng ((zhang min) OR (zhang xin)) hyoung seo ;*".