Perhaps you should try some spelling variations:
chuan chen » chang chen, hua chen
hai chuan » say chuan, ka chuan, tai chun
chan ming » kian ming, chan eng, chan fong
yan hai » dang hai
han min » han men, kan min, chang min
han en » han men, van en, chan eng
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan hai chuan chen ((((han en) or (han min))) or (chan ming)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan hai chuan chen ((((han en) OR (han min))) OR (chan ming)) cong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yan hai chuan chen ((((han en) or (han min))) or (chan ming)) cong shu ;*.