Perhaps you should try some spelling variations:
yanling yang » yang yang, ying yang
main hong » min hong, tan hong, tin hong
hong yeon » dong myeon, jeong yeon, hong seo
jui test » ai test, i test, ii test
api test » ai test, i test, ii test
law main » law pain, law making, new main
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) OR (api test)) law main hong yeon ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling yang ((jui test) OR (api test)) law main hong yeon ;*".