Steps to reproduce (within the Control Panel):
1. Create vocg vocabulary in GLOBAL scope.
2. Create vocgc1 and wocgc2 categories to vocg.
3. Create 'gl ar' web content on GLOBAL scope and assign to the vocgc1.
4. Create vocl vocabulary in LIFERAY.COM scope.
5. Create voclc1 and woclc2 categories to vocg.
6. Create 'lc ar' web content on LIFERAY.COM scope and assign to the voclc1.
7. Configure an asset publisher to show the GLOBAL AND LIFERAY.COM scopes and set the "group by" to vocl (the LIFERAY.COM scoped one).
The entries from GLOBAL scope won't be shown.