Solution : https://service.sap.com/sap/support/notes/402375 (SAP Service marketplace login required)
Key words : 
sap service marketplace software center, transport r3tr varis entries, terms limu varx, activate table varis, varis entries, table varis, entries exist, missing entries, displayed immediately, synchronization reason
Related Notes : 
       
| 1055826 | Composite note: Objects/data unavailable after transport | 
| 106764 | Synch. during transport: Overview (as of Release 4.0) | 
| 19466 | Downloading SAP kernel patches |