Perhaps you should try some spelling variations:
cheng chan » cheung chan, cheng zhang, chen chuan
lang yang » yang yang, lang lang, ylang ylang
wang yang » wang yan, wang liang, wang yanling
cheng han » chen hao
ming hung » dang hung, fung hung, men hung
hung shin » song shin
yang zi » yang di, yang xi, yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yang) or (wang yang)) yang zi ((cheng chan) OR (cheng han)) ming hung shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yang) OR (wang yang)) yang zi ((cheng chan) OR (cheng han)) ming hung shin ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yang) or (wang yang)) yang zi ((cheng chan) OR (cheng han)) ming hung shin ;*".