Perhaps you should try some spelling variations:
zhang chendi » zhang chunlin, chang chen
wang yong » wang yang, wang hyoung, wang yan
yan guan » gan guan, yang guang, yihan guan
yang yun » yang jun, tang yun, yang yue
yan yuan » fang yuan, nan yan, yan clan
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong ((((yan guan) or (yang yun))) or (yan yuan)) dan ((yang xi) OR (yang yi)) zhang chendi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong ((((yan guan) OR (yang yun))) OR (yan yuan)) dan ((yang xi) OR (yang yi)) zhang chendi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong ((((yan guan) or (yang yun))) or (yan yuan)) dan ((yang xi) OR (yang yi)) zhang chendi ;*".