Hello,
“Type here…” is available for translation in theme files.
Make sure that your translation files are synchronized. Button Sync (Loco Translate plugin http://prntscr.com/glemdq) allows you to synchronize your translation file with pot file. Then you will be able to translate untranslated strings.
If you need any further assistance, provide us with temporary access, so we can take a closer look at the problem.
Regards