Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
wang ying » wang yong, wang jing, wang ning
wang yang » wang yan, wang liang, wang yanling
min seung » min jeong
test kaw » test a, test kit, test ke
test awt » test auf, test a
yang xi » yang di, yang yi, yang jui

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