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
test kaw » test a, test kit, test awt
yang ai » yang di, yang xi, yang yi
ai test » api test, i test, ii test
kaw mun » kyaw min

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yang ai test kaw mun ((seung yeon) or (((jeong hyeok) OR (jeong dahyeon)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang ai test kaw mun ((seung yeon) OR (((jeong hyeok) OR (jeong dahyeon)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yang ai test kaw mun ((seung yeon) or (((jeong hyeok) OR (jeong dahyeon)))) ;*".