Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
jeong hyeok » jeong dahyeon
jeong yeon » jeang yean, seung yeon, jeong dahyeon
yang jui » yang judy, yang di, yang xi
test ke » test bed, test der, test kit
test a » test _, test 4, test 5
wang » wing, wan, lang

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

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