is it possible to find a adress enter a part of a town?

For example: i search kölner street in Remscheid Lennep. Lennep is a part of Remscheid.

When i enter Lennep in the adress box there is no result.

When i enter Remscheid the adress will be found.

http://spike-01.osm.ichosted.org.uk/node/58639041

Thank you

Arndt