Nice find!
Able to reproduce on Orion (Version 0.99.123.3-beta (WebKit 615.1.16.1)) and OrionRC (Version 0.99.123.3.1-rc (WebKit 615.1.16.1)). Safari and Safari TP work as expected.
I agree that
I think this happens because there are some weird characters (ÅMÅŽÕÑ) in the Dutch Amazon URL when something is searched.
Is likely the cause.