Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
wang yuhan » wang luhang, wang yan, wang yidan
yuhan lang » yuhuan huang
dai chong » lai chung, wai chung, hai phong
bai chong » lai chung, wai chung, hai phong
a china » 2 china, 4 china, 3 china
lang a » lang 3, lang _, erlang a

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuhan lang a china zhang ((dai chong) OR (bai chong)) sun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yuhan lang a china zhang ((dai chong) OR (bai chong)) sun ;*".