Hi Kiran, hi Alex,
I do not know what you have done, but I have checked at least 20 times and the problem seems to have partially disappeared.
That is, Language Selector now shows in all languages in Search page.
But:
1) Map shows in main language CA, but not in the other languages when switching language from the Search results page. Even switching back to CA from another language does not show the Map. The only way then to show the Map is to get back to the Home page and redo the search.
2) When Searching by Categories, that is selecting a Category from the dropdown field and clicking the Search button leads to the correct results in the main language CA, but then switching language shows all CPT listings instead.
3) When Searching by a keyword, that is, starting to type the keyword in the keyword field and then selecting one of the keywords appearing in the dropdown, leads to the correct results in the main language CA and switching the language keeps showing the correct results.
Just in case, I tried deactivating the Swift Performance cache and optimization plugin, with the same results.
I look forward to your reply.
Thank you very much once again for your help.
Best regards.