Perhaps you should try some spelling variations:
"verb.bern.dt.geld.hno-heilkunde 1991" » "verb.bern.dt.geld.hno-heilkunde 11", "verb.bern.dt.geld.hno-heilkunde 15.15", "verb.bern.dt.geld.hno-heilkunde 10", "verb.bern.dt.geld.hno-heilkunde 10991", "verb.bern.dt.geld.hno-heilkunde 11991", "verb.bern.dt.geld.hno-heilkunde 16991", "very.bern.dt.geld.hno-heilkunde 1991", "ver.bern.dt.geld.hno-heilkunde 1991", "verb.born.dt.geld.hno-heilkunde 1991", "verb.ben.dt.geld.hno-heilkunde 1991", "verb.bern.dt.gold.hno-heilkunde 1991"
"vers.bern.dt.gel.hno-heilkunde 18" » "vers.bern.dt.gel.hno-heilkunde 10", "vers.bern.dt.gel.hno-heilkunde 11", "vers.bern.dt.gel.hno-heilkunde 16", "vers.bern.dt.gel.hno-heilkunde 108", "vers.bern.dt.gel.hno-heilkunde 118", "vers.bern.dt.gel.hno-heilkunde 168", "vers.born.dt.gel.hno-heilkunde 18", "vers.ben.dt.gel.hno-heilkunde 18", "verse.bern.dt.gel.hno-heilkunde 18", "verso.bern.dt.gel.hno-heilkunde 18", "very.bern.dt.gel.hno-heilkunde 18"
"verh.been.dt.geld.hno-heilkunde 1" » "verh.been.dt.geld.hno-heilkunde 10", "verh.been.dt.geld.hno-heilkunde 11", "verh.been.dt.geld.hno-heilkunde 16", "verh.been.dt.gold.hno-heilkunde 1", "very.been.dt.geld.hno-heilkunde 1", "ver.been.dt.geld.hno-heilkunde 1", "vera.been.dt.geld.hno-heilkunde 1"

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.geld.hno-heilkunde 1991") OR ("verh.been.dt.geld.hno-heilkunde 1"))) OR ("vers.bern.dt.gel.hno-heilkunde 18")).
• Removing quotes may allow a broader search: (((( verb.bern.dt.geld.hno-heilkunde 1991 ) or ( verh.been.dt.geld.hno-heilkunde 1 ))) or ( vers.bern.dt.gel.hno-heilkunde 18 )).
• Adding a wildcard symbol may retrieve word variants: (((("verb.bern.dt.geld.hno-heilkunde 1991") or ("verh.been.dt.geld.hno-heilkunde 1"))) or ("vers.bern.dt.gel.hno-heilkunde 18"))*.