Perhaps you should try some spelling variations:
based david » based danish, based dating
david young » david loundy
young child » young children
gene based » genre based, gender based, genome based
yang zili » yang dali
yang li » yang lin, yang di, yang xi
wang » wing, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) yan ((yang zili) OR (yang li)) gene based david young child ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yan ((yang zili) or (yang li)) gene based david young child ;*.