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

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: (((("verh.bern.dt.geld.hno-heilkunde 1991") OR ("verh.bern.dt.gel.hno-heilkunde 1991"))) OR ("vers.been.dt.geld.hno-heilkunde 11")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"verh.bern.dt.geld.hno-heilkunde 1991\") OR (\"verh.bern.dt.gel.hno-heilkunde 1991\"))) or (\"vers.been.dt.geld.hno-heilkunde 11\"))".
• Removing quotes may allow a broader search: (((( verh.bern.dt.geld.hno-heilkunde 1991 ) OR ( verh.bern.dt.gel.hno-heilkunde 1991 ))) or ( vers.been.dt.geld.hno-heilkunde 11 )).
• Adding a wildcard symbol may retrieve word variants: (((("verh.bern.dt.geld.hno-heilkunde 1991") OR ("verh.bern.dt.gel.hno-heilkunde 1991"))) or ("vers.been.dt.geld.hno-heilkunde 11"))*.