Perhaps you should try some spelling variations:
jeong yeon » jeong hyeok, jeang yean, seung yeon
wang yang » wang yan, wang liang, wang yanling
min jeong » kin keong, min hong, mun leong
yang li » yang lin, yang di, yang xi
yang yi » yang di, yang xi, yang jui
test a » test _, test 4, test 3
test 5 » test _, test 4

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 li) or (yang yi)) ((test a) OR (test 5)) min jeong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yang li) OR (yang yi)) ((test a) OR (test 5)) min jeong yeon ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((yang li) or (yang yi)) ((test a) OR (test 5)) min jeong yeon ;*".