Searching for quoted text fails to find it in the Code for "add things that"

Summary

Searching for quoted text fails to find it in the Code for "add things that"

Steps to reproduce

1. Try to make a contribution by working on this issue https://gitlab.com/gitlab-org/gitlab-ce/issues/41522
2. In the Search type in "add things that".

What is the current bug behavior?

0 results for Code

What is the expected correct behavior?

Output of checks

This bug happens on GitLab.com