Perhaps you should try some spelling variations:
yulu cheng » yulu chen, yu cheng, yuan cheng
cheng wang » chen wang, cheng zhang, chen yang
sin dann » sein dann, bin dann, ein dank
wang hui » wang hua, wang zhi, wang wei
yang yue » yang yun, yang yi, wong yue
yang jui » yang judy, yang di, yang xi
wang yue » wong yue, wang hua, wang yan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (dong OR doing) sin dann yulu cheng wang hui ((((yang yue) OR (yang jui))) OR (wang yue)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(dong or doing) sin dann yulu cheng wang hui ((((yang yue) OR (yang jui))) or (wang yue)) ;~".
• Adding a wildcard symbol may retrieve word variants: (dong or doing) sin dann yulu cheng wang hui ((((yang yue) OR (yang jui))) or (wang yue)) ;*.