Hello,
1/ You need to use System location.
https://xstore.helpscoutdocs.com/article/30-base-theme-translation
What exactly texts are untranslated?
There below does not appear to show all
– disable Display With Tabs in Header builder > search
2/ Use the next code to hide prices:
header .ajax-results-wrapper .price {
display: none !important;
}
Regards