Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
zhang xin » zhang jian, zhang ming, zhang fan
jeong shu » jeong su
yi cheng » yi chen, yu cheng, xi cheng
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 cheng zhang xin ((jeong shu) OR (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) nan yan yi cheng zhang xin ((jeong shu) OR (cong shu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) nan yan yi cheng zhang xin ((jeong shu) OR (cong shu)) ;*".