Summary

Setting the Indexing Language as Czech, would make your issue navigator not return search results correctly.

Steps to Reproduce

1. Go to General Configuration
2. Under Internationalization, change the Indexing Language to Czech.
3. Create Issues with Czech words in the summary
   Example: Nové přihlášení or Pravé sloupce
4. Now go to the issue navigator and either search for Nové or Pravé

Expected Results

The issue Nové přihlášení should be displayed, along with all other issues that contain Nové and other words stemming from *Nové like "nová, nový

Actual Results

The issue navigator would display: No issues were found to match your search .

Notes

Only searching the exact phrase like Nové přihlášení will return the that particular issue in the issue navigator.

Workaround

Change the Indexing language to English - Moderate Stemming. You will be able to search Czech words, however, you will not benefit from word stemming feature.