Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yang wang » yang yang, yan wang, yang liang
chang won » chang soon, chang ann, chang min
hwan lee » lean lee
won hong » hong hong, kong hong, wang hong
hua lee » phua lye, zhuo lee
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yang wang) OR (yang guang)) ((hua lee) or (hwan lee)) chang won hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang wang) OR (yang guang)) ((hua lee) OR (hwan lee)) chang won hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang wang) OR (yang guang)) ((hua lee) or (hwan lee)) chang won hong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yang wang) OR (yang guang)) ((hua lee) or (hwan lee)) chang won hong yu ;*.