Steps to reproduce the issue

1. Create a contact category "Kereskedelemi munkatársak" for hungarian language

2. Create a contact category "Sales" for english language

3. Create a contact category "Vertrieb" for germany language

4. Create a contact "Kókai Zsolt" for "Kereskedelem" category, the language is hungarian

5. Create a contact "Kókai Zsolt" for "Sales" category, the language is english

6. Create a contact "Kókai Zsolt" for "Vertrieb" category, the language is germany

7. Open the component Smart Search and create the index

8. Create a module for Smart Search and test this module with the search string “Kókai”

9. The default language is hungarian and the test is ok, the suggestions are displayed
   

10. Change language in germany, type "Kókai" but the suggestions will not be displayed
    

11. Change language in english, type "Kókai" but the suggestions will not be displayed
    

Expected result

I would see same suggestion in germany and english language what is displayed in hungarian language

Actual result

Suggestion displayed just for hungarian language

System information (as much as possible)

Joomla 3.7

Additional comments

This is the results in finder_terms table