Perhaps you should try some spelling variations:
xiaoyang wang » xiaoyang tang, xiaoyan deng
wang chun » tang chun, wong chun, wang hua
shang hai » shang kai, dang hai, chang ha
chun dan » chun lan, chun wai
dan yang » daun yang, tan yang, wang yang
yang jie » yang jin, yang di, yang jui
hong hai » zhong tai, dang hai, hong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan or lang) or wing) xiaoyang wang chun dan yang jie ((hong hai) OR (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan OR lang) OR wing) xiaoyang wang chun dan yang jie ((hong hai) OR (shang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan or lang) or wing) xiaoyang wang chun dan yang jie ((hong hai) OR (shang hai)) ;*".