Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
wang jing » wang ning, wang liang, wang yang
jing yang » jing fang, ying yang, wang yang
yang ai » yang di, yang xi, yang yi
ai test » api test, i test, ii test
a mine » _ mine, a mini, a mile
a min » a main, a mini, a mind

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 ai test ((a min) OR (a mine)) seung yeon ;~.
• Adding a wildcard symbol may retrieve word variants: wang jing yang ai test ((a min) or (a mine)) seung yeon ;*.