Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
hong yeon » jeong yeon, hong seo, hong een
yang jui » yang judy, yang di, yang xi
jui test » ai test, api test, i test
test a » test _, test 4, test 5
a tan » a tax, _ tan, a ten
wang » wing, lang
myeon » myeong, myron, pyeon

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang OR wan) yanling yang jui test a tan ((hong yeon) OR (dong myeon)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR wan) yanling yang jui test a tan ((hong yeon) OR (dong myeon)) ;*".