Perhaps you should try some spelling variations:
yulu cheng » yulu chen, yuan cheng
sin dann » sein dann, bin dann, ein dank
yu cheng » yu chen, _ cheng
tong hui » wang hui
hui wang » hui yang, hui ping, hui tong
wang yue » wong yue, wang hua, wang yan
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong sin dann ((yulu cheng) or (yu cheng)) tong hui wang yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sin dann ((yulu cheng) OR (yu cheng)) tong hui wang yue ;*.