Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
han chang » huang chang, than change, can change
chang won » chang soon, chang ann, chang min
shang kai » shang hai
hong yu » wong yue
di han » ti han

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ying yang di han chang won ((shang kai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying yang di han chang won ((shang kai) OR (hong yu)) ;*.