Perhaps you should try some spelling variations:
chen zhang » cheng zhang, zhen zhang, chen shuang
chen zheng » chen zhen, chen aizheng, cheng zhang
xin jeong » min jeong, kin keong, xin tong
jeong shu » jeong su, cong shu
nan yan » nan ya, wang yan, qian yan
yan yi » yang yi, tan yi, yan zi
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) nan yan yi ((chen zhang) OR (chen zheng)) xin jeong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) nan yan yi ((chen zhang) OR (chen zheng)) xin jeong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) nan yan yi ((chen zhang) OR (chen zheng)) xin jeong shu ;*".