Perhaps you should try some spelling variations:
young child » young children
gene based » genre based, gender based, genome based
yang zili » yang dali, yang li
zili gene » iii gene
yan yang » yang yang, yao yang, dan yang
based a » based ai, based ad, based na
a young » _ young
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 gene based a young child ;~.
• Adding a wildcard symbol may retrieve word variants: (wang or wan) yan yang zili gene based a young child ;*.