After renaming offerings, all items disappeared from the Catalog tab > Service Offerings > Offerings. Checking the usm_offering there are several items with status 1 (available) and date_unavailable set to NULL
Release : 17.3 and above
Component : CA SERVICE CATALOG
1. Stop Service Catalog services
2. Delete translets from USM_HOME\view\translets (backup the USM_HOME\view\translets first)
3. Start Service Catalog services