Perhaps you should try some spelling variations:
yuan chang » huang chang, han chang, xuan thang
yuan cheng » huang cheng, yu cheng, tan cheng
hao zhang » xiao zhang, zhao zheng, ceo zhang
zhang yan » zhang fan, zhang jian, wang yan
kong saur » kong sar, kong siu, kong your
yan jin » yang jin, yan jiu, yang jing

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

• Performing a fuzzy search may retrieve terms with similar spellings: yan ((yuan chang) OR (yuan cheng)) hao zhang yan jin ((song shin) or (kong saur)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yan ((yuan chang) OR (yuan cheng)) hao zhang yan jin ((song shin) OR (kong saur)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yan ((yuan chang) OR (yuan cheng)) hao zhang yan jin ((song shin) or (kong saur)) ;*".