Perhaps you should try some spelling variations:
wang liang » wang yang
seung yeon » jeong yeon, seung joon, seung won
wang ying » wang yang, wang yong, wang jing
yang lin » yang jin, wang lin, yang li
yang xi » yang di, yang yi, yang jui
test a » test _, test 4, test 5
a mine » _ mine, a mini, a mile

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 ying) OR (wang liang)) ((yang lin) OR (yang xi)) test a mine seung yeon ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang ying) or (wang liang)) ((yang lin) or (yang xi)) test a mine seung yeon ;*.