Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
gain yang » dan yang, daun yang, tan yang
yang jing » wang jing, yang jin, huang jing
jing fang » jia fang, jin kang, weng fang
run gain » run pain
fang min » tang min, chang min, sang minh
yan han » man han, kang han, yan clan
wang » wing, wan, lang

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

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