OMG, it finally worked out.
Only one remark in my language “blog posts ” would “articles ” But if I use this word it does not change and keeps “blog posts “, I had to use another term with same meaning and so it finally changed.
Thanks for the support, have a great week.
I changed all the terms that have Blog Posts to test and yet yes it does not work, in fact no string I alter whatever it actually works.
Some things I managed to translate by finding directly in the code, but the topic is huge and other words did not find