Perhaps you should try some spelling variations:
hyoung yang » kyoung yang
leong yeon » jeong yeon
seung yeon » jeong yeon, seung joon, seung won
jui test » ai test, i test, ii test
api test » ai test, i test, ii test
kaw mun » kyaw min
wang » wing, wan, lang

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 hyoung yang ((jui test) OR (api test)) kaw mun ((leong yeon) OR (seung yeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung yang ((jui test) OR (api test)) kaw mun ((leong yeon) or (seung yeon)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung yang ((jui test) OR (api test)) kaw mun ((leong yeon) or (seung yeon)) ;*.