"finds expression through" is correct and usable in written English.
You can use it to refer to something that is expressed or revealed through a particular medium or activity. For example, "Her passion for art finds expression through her artwork."
If there is a cerebral core to "Girls Trip" — and I think that there is — it might be its implication that black "authenticity" doesn't have to find expression through seriousness or pain.
Rising political consciousness has found expression through a campaign of self-immolations that the authorities have been unable to stamp out.
The long conflict between India and Pakistan has become a major preoccupation of the security establishment in both countries, and has found expression through proxy forces in third countries like Afghanistan.
My experiences at school, what I've since come to think of as homophobic bullying, found expression through self-harm; in year 7, for instance, I jabbed a mathematical compass into my forearm until it was covered in dark-red dots.
God might not be female, exactly, but God's nature can and does find expression through characteristics conventionally understood as female.
Sadness and joy and yearnings and stories of broken hearts all found expression through this interactive entertainment contraption, For many Vietnamese it's a godsend.
It's past time that we evangelicals prayerfully — and in a biblically informed way — re-examine our position on lethal firepower and challenge the often sinful impulses that find expression through the false security and too-easy relief that a deadly weapon provides.
Among the best things about "In Praise of Messy Lives" is how thoroughly the author finds expression of ideas through literature.
