Nominatim Issues in searching with postal code

I have a problem with my Nominatim server, for example, this address "14 rue de Mantes 92700 Colombes France":

• Searching "14 rue de Mantes" on my server return a result,
• Searching "92700 Colombes France" on my server return a result,
• Searching "14 rue de Mantes Colombes France" on my server return a result,

• Searching "14 rue de Mantes 92700 Colombes France" on my server did not return a result,

• Searching "14 rue de Mantes 92700 Colombes France" on nominatim.openstreetmap.org return a result

The data are coming from geofabrik > Europe