Some texts are not translated to other languages

[sudo-do]

"other product in the same category"
Hummingbird:

Classic:

Translation:
Hummingbird (was empty, I filled but didn't work):

Core:

Those strings are not limited with this, I'll add extended list soon

[pawelkierklo]

i have same problem, but my problem is in back-office

the url generate without last parameter in hummingbird

[sneko]

I also noticed that on multiple blocks:

• Search results (templates/catalog/listing/search.tpl)
• Not found page (templates/errors/not-found.tpl)
• ...

For example it mixes french/english:

@jolelievre @florine2623 do you know what is missing for having all translations working?

EDIT: it seems they are missing into Localization > Translations > Front-office + theme + french. It seems that's common sentences, I was expecting them to be into the core and already translated.