Perhaps you should try some spelling variations:
rates changed » rate changes, rate change, fate changed
lang rates » saving rates
yang jie » yang jin, yang di, yang jui
jie dang » jie zhang, vie dans, bie dans
e gene » _ gene
a gene » a genre, a gender, a gentle
hai » hadi, haji, hari

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: lang rates changed ((e gene) OR (a gene)) yang jie dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: lang rates changed ((e gene) or (a gene)) yang jie dang hai ;*.