Perhaps you should try some spelling variations:
young child » young children
aid young » david young, a young, kim young
gene bank » gene banks, genomen bank
yang jun » yang jui, pang jun, yang jin
one bank » money bank, die bank, one book
yang xi » yang di, yang yi, yang jui
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 yan ((yang jun) or (yang xi)) ((gene bank) OR (one bank)) aid young child ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yang jun) OR (yang xi)) ((gene bank) OR (one bank)) aid young child ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yang jun) or (yang xi)) ((gene bank) OR (one bank)) aid young child ;*".