Perhaps you should try some spelling variations:
cheng yang » chen yang, cheng zhang, chen wang
yuan wang » yuan kang, yuan chang, qian wang
dong ping » dong sin, dong bin, dong jung
yan wang » yang yang, qian wang, yan liang
yu cheng » yu chen, _ cheng
yang jie » yang jin, yang di, yang jui
kong eiu » tonga eiu

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 wang) OR (yuan wang)) yu cheng yang jie ((cong shu) or (((kong eiu) or (dong ping)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan wang) OR (yuan wang)) yu cheng yang jie ((cong shu) OR (((kong eiu) OR (dong ping)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan wang) OR (yuan wang)) yu cheng yang jie ((cong shu) or (((kong eiu) or (dong ping)))) ;*".