Perhaps you should try some spelling variations:
yong zhang » kong hang, yan zhang, yuehong zhang
yong phang » kong hang, ying chang
seung yeon » jeong yeon, seung joon, seung won
law model » flow model, new model, law codes
ii testi » i testi, ii test, ai test
law past » law part, law east, flow past

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong zhang) OR (yong phang)) ii testi ((law model) OR (law past)) seung yeon ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yong zhang) or (yong phang)) ii testi ((law model) or (law past)) seung yeon ;*.