Demo video of problem and solution MDL-77791-testing_music.mp4 Requirements Turn on Elasticsearch with Tika or Solr with file support and configure the site for global search with file indexing support docker run -d -p 8983:8983 --name my_solr solr:7 solr-create -c gettingstarted docker start my_solr Setup Login as admin. Enable Global search in "Site administration > Advanced features". Go to "Site administration >  Plugins > Manage global search > Select search engine " and set "Select search engine" to "Solr". Go to "Setup search engine" (admin/settings.php?section=searchsolr) and set Index name to "gettingstarted". Import the Database activity backup: backup-moodle2-activity-2-data2-20230426-0130.mbz into a course. The activity has 29 entries in multiple languages and PDF files with multiple lang strings for the translation of "Hello world!". Testing instructions Run the site indexing CLI script or run cron multiple times: php search/cli/indexer.php --reindex --force Check the file areas page(/admin/searchareas.php) to validate that the database entries have been indexed Run global search queries on text that is included in the PDF files. All the translated strings can be found in MDL-77791_test_strings.txt . Result: Database entries which have the searched text in the pdf files are displayed in the global search item list. None should be absent.