Perhaps you should try some spelling variations:
chang wang » chang ann, chang won
hyoung seo » hong seo
hong wang » hong gang, hong kong, hong jong
gang yao » yang yao, wang yan, ganga ya
yao yang » yang yang
yang hua » wang hua, yang hui, ying hua
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: gang yao yang hua ren ((chang wang) OR (hong wang)) hyoung seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "gang yao yang hua ren ((chang wang) OR (hong wang)) hyoung seo ;".
• Adding a wildcard symbol may retrieve word variants: gang yao yang hua ren ((chang wang) OR (hong wang)) hyoung seo ;*.