Steps to reproduce:

Actual results: No templates are listed and the window shows "No template found"

Expected results: The templates "Built-In Lit Basic" and "Built-In Unlit Basic" are listed

Reproducible with versions: 6000.6.2f1, 6000.7.0b1, 7000.0.0a1

Not reproducible with versions: 6000.6.1f1

Tested on (OS): macOS 26.5, Ubuntu 24.04

Notes:

Also reproduces with "Packages indexing" unticked
Affects any separator character in the name, not only the hyphen. Confirmed on user-authored templates created under Assets/ with "Use as template" ticked, searching with Packages indexing enabled:
- Template named "Sci-Fi Toon" - sci-fi returns 0 templates, sci returns 1
- Template named "Player_Base" - player_base returns 0 templates, player returns 1
- Template named "V2.0 Shader" - v2.0 returns 0 templates
- Template named "Toon/Outline" - toon/outline returns 0 templates, toon returns 2
- Control, template named "Bright Water" - bright water returns 1 template and bright returns 1
The separator set used when splitting names is /, space, _, - and .. A space is harmless because the typed query is itself split on spaces; the other four are not
Workaround: searching the property directly still works. shadergraph.name:sci-fi returns 1 template and shadergraph.name:player_base returns 1
Additionally, sometimes while searching I would hit a "Cannot open transaction. Error -30790(MDB_READERS_FULL: Environment maxreaders limit reached) (aborting errors true)" error. Not sure if its Shader Graph search related or is caused by something else