Perhaps you should try some spelling variations:
yang july » yang judy, yang jui
gene yang » gene bank
young let » young get, young men, young er
yang jun » yang jui, pang jun, yang jin
yang kim » yong kim, kang kim, hyung kim
young hr » young er, young _, young 4
wang » wing, 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 or wan) yao ((yang july) OR (yang jun)) gene yang kim ((young hr) or (young let)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) yao ((yang july) OR (yang jun)) gene yang kim ((young hr) OR (young let)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) yao ((yang july) OR (yang jun)) gene yang kim ((young hr) or (young let)) ;*".