Perhaps you should try some spelling variations:
when science » where science, open science, en science
science li » sciences li, science la, science life
yang jin » yang jie, yang jun, ying jin
yang xi » yang jui
yang yi » yang jui
li chen » yi chen, jui chen
chen lu » cheng lu, chen yu, chen l
wang » wing, wan, 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 yan ((((((yang jin) OR (yang xi))) OR (yang yi))) OR (yang di)) when science li chen lu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((((yang jin) or (yang xi))) or (yang yi))) or (yang di)) when science li chen lu ;*.