Perhaps you should try some spelling variations:
"verb.bern.dt.gel.hno-heilkunde 15.15" » "verb.bern.dt.gel.hno-heilkunde 11", "vers.bern.dt.gel.hno-heilkunde 15.15", "verb.been.dt.gel.hno-heilkunde 15.15", "verb.ben.dt.gel.hno-heilkunde 15.15", "everb.bern.dt.gel.hno-heilkunde 15.15", "vierb.bern.dt.gel.hno-heilkunde 15.15"
"very.born.dt.gels.hno-heilkunde 5.1" » "very.born.dt.gels.hno-heilkunde 1", "very.born.dt.gels.hno-heilkunde 11", "very.born.dt.gels.hno-heilkunde 31", "every.born.dt.gels.hno-heilkunde 5.1", "viery.born.dt.gels.hno-heilkunde 5.1", "very.born.dt.gets.hno-heilkunde 5.1", "very.born.dt.geld.hno-heilkunde 5.1"
"ver.bern.dt.gel.hno-heilkunde 16" » "ver.bern.dt.gel.hno-heilkunde 6", "ver.bern.dt.gel.hno-heilkunde 1", "ver.bern.dt.gel.hno-heilkunde 10", "ver.been.dt.gel.hno-heilkunde 16", "ver.ben.dt.gel.hno-heilkunde 16", "ever.bern.dt.gel.hno-heilkunde 16", "vier.bern.dt.gel.hno-heilkunde 16"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("verb.bern.dt.gel.hno-heilkunde 15.15") OR ("ver.bern.dt.gel.hno-heilkunde 16"))) OR ("very.born.dt.gels.hno-heilkunde 5.1")).
• Removing quotes may allow a broader search: (((( verb.bern.dt.gel.hno-heilkunde 15.15 ) or ( ver.bern.dt.gel.hno-heilkunde 16 ))) or ( very.born.dt.gels.hno-heilkunde 5.1 )).
• Adding a wildcard symbol may retrieve word variants: (((("verb.bern.dt.gel.hno-heilkunde 15.15") or ("ver.bern.dt.gel.hno-heilkunde 16"))) or ("very.born.dt.gels.hno-heilkunde 5.1"))*.