Perhaps you should try some spelling variations:
seung youn » seung joon, seung yeon
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
seung won » seung joon, seung yeon, myung won
xi testi » i testi, ai test, i test
yang xi » yang di, yang yi, yang jui
a maine » a marine, _ maine, a marne
a main » 1 main, 2 main

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 yang xi testi ((a main) OR (a maine)) ((seung youn) OR (seung won)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang ying yang xi testi ((a main) or (a maine)) ((seung youn) or (seung won)) ;*.