Perhaps you should try some spelling variations:
tong shui » tong hui, cong shu, gong hui
zhang xin » zhang jian, zhang ming, zhang fan
yan yuan » yan guan, fang yuan, yan clan
lin zhen » qin zheng, lin chun
tong shu » cong shu, wong shiu, tong hui
nan yan » nan ya, wang yan, qian yan
wang » wing, wan, lang

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: wang ((yan yuan) OR (nan yan)) lin zhen zhang xin ((tong shu) OR (tong shui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yuan) or (nan yan)) lin zhen zhang xin ((tong shu) OR (tong shui)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yuan) or (nan yan)) lin zhen zhang xin ((tong shu) OR (tong shui)) ;*.