Perhaps you should try some spelling variations:
yuan cheng » huang cheng, yu cheng, tan cheng
yuan chang » huang chang, han chang, xuan thang
yuan wang » yuan kang, qian wang, yu wang
wang yang » wang yan, wang liang, wang yanling
wing yan » wang yan, wing ian, wing tan
yan wang » yang yang, qian wang, yan liang
hongli » honglin, zhongli, hongxi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan ((yuan wang) or (((yuan chang) OR (yuan cheng)))) yan wang yang hongli mi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan ((yuan wang) OR (((yuan chang) OR (yuan cheng)))) yan wang yang hongli mi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan ((yuan wang) or (((yuan chang) OR (yuan cheng)))) yan wang yang hongli mi ;".
• Adding a wildcard symbol may retrieve word variants: wing yan ((yuan wang) or (((yuan chang) OR (yuan cheng)))) yan wang yang hongli mi ;*.