Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
mun seung » mun leong, mun young
yii test » ein test, ai test, api test
ii test » ai test, i test, api test
kaw mun » kyaw min

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 yang ((yii test) OR (ii test)) kaw mun seung yeon ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yang ((yii test) or (ii test)) kaw mun seung yeon ;*.