Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
wang yang » wang yan, wang liang, wang yanling
wang ning » wang jing, wang liang, wang yong
fang ai » fang a, fang ri, fang wei
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 yang) OR (wang ning)) fang ai test ((a min) OR (a mine)) seung yeon ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (wang ning)) fang ai test ((a min) or (a mine)) seung yeon ;*.