Perhaps you should try some spelling variations:
jeong hyeok » jeong dahyeon
seung yeon » jeong yeon, seung joon, seung won
wang jing » wang ning, wang liang, wang yang
jing yang » jing fang, ying yang, wang yang
a mininge » 1 mining
a mining » sea mining, a missing, a mini
yang xi » yang di, yang yi, yang jui
xi test » ai test, i test, ii test

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 jing yang xi test ((a mining) OR (a mininge)) ((seung yeon) OR (jeong hyeok)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang jing yang xi test ((a mining) or (a mininge)) ((seung yeon) or (jeong hyeok)) ;*.