Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
cheng hao » chen hao, cheng han, cheng hsiao
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 yuan » yan guan, fang yuan, nan yan
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 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 cheng hao zhang yan jin ((song shin) OR (kong saur)) ;*.