Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, fang yuan
wang yidan » wang yan
shen chan » shen chang, chen chuan
chan ming » kian ming, chan eng, chan fong
wang han » wang yan, kang han, wang dan
wang ban » wang yan, wang dan, wang yang
code shu » code ctu

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) or (wang yidan)) ((wang han) or (wang ban)) shen chan ming code shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yuhan) OR (wang yidan)) ((wang han) OR (wang ban)) shen chan ming code shu ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang yidan)) ((wang han) or (wang ban)) shen chan ming code shu ;*.