Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
fang yuan » wang yuhan, meng yuan, tang yun
han cheng » han chang, tan cheng, huang cheng
zhang min » zhang ming, zhang xin, chang min
dang hari » dang hai
kong han » kong hang, kang han, long han
min dang » yimin dang, mein dank, bin dann

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((fang yuan) or (wang yan)) kong han cheng zhang min dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((fang yuan) OR (wang yan)) kong han cheng zhang min dang hari ;*.