Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
kin seung » kim eung, kin keong
yang jui » yang judy, yang di, yang xi
test kaw » test a, test awt, test ke
test kit » test kits
wan yan » wang yan, nan yan, wai yan
yang li » yang lin, yang di, yang xi
yang yi » yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((yang li) or (((yang yi) or (yang jui)))) ((test kaw) OR (test kit)) kin seung yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((yang li) OR (((yang yi) OR (yang jui)))) ((test kaw) OR (test kit)) kin seung yeon ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan ((yang li) or (((yang yi) or (yang jui)))) ((test kaw) OR (test kit)) kin seung yeon ;*".