Perhaps you should try some spelling variations:
"vers.bern.dt.gel.hno-heilkunde 15.15" » "vers.bern.dt.gel.hno-heilkunde 5.1", "vers.been.dt.gel.hno-heilkunde 15.15", "verse.bern.dt.gel.hno-heilkunde 15.15", "verso.bern.dt.gel.hno-heilkunde 15.15", "ver.bern.dt.gel.hno-heilkunde 15.15"
"verh.ben.dt.gold.hno-heilkunde 1991" » "verh.ben.dt.gold.hno-heilkunde 1", "verh.ben.dt.gold.hno-heilkunde 16", "verh.ben.dt.gold.hno-heilkunde 18", "ver.ben.dt.gold.hno-heilkunde 1991", "verb.ben.dt.gold.hno-heilkunde 1991", "vera.ben.dt.gold.hno-heilkunde 1991", "verh.been.dt.gold.hno-heilkunde 1991", "verh.ben.dt.good.hno-heilkunde 1991", "verh.ben.dt.god.hno-heilkunde 1991"
"very.bern.dt.geld.hno-heilkunde 10" » "very.bern.dt.geld.hno-heilkunde 1", "very.bern.dt.geld.hno-heilkunde 16", "very.bern.dt.geld.hno-heilkunde 18", "very.been.dt.geld.hno-heilkunde 10"
"very.born.dt.geld.hno-heilkunde 10" » "very.born.dt.geld.hno-heilkunde 1", "very.born.dt.geld.hno-heilkunde 16", "very.born.dt.geld.hno-heilkunde 18"
"verh.bern.dt.geld.hno-heilkunde 11" » "verh.bern.dt.geld.hno-heilkunde 1", "verh.bern.dt.geld.hno-heilkunde 16", "verh.bern.dt.geld.hno-heilkunde 18", "verh.been.dt.geld.hno-heilkunde 11", "ver.bern.dt.geld.hno-heilkunde 11", "verb.bern.dt.geld.hno-heilkunde 11", "vera.bern.dt.geld.hno-heilkunde 11"

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: (((((((("very.bern.dt.geld.hno-heilkunde 10") OR ("very.born.dt.geld.hno-heilkunde 10"))) OR ("verh.bern.dt.geld.hno-heilkunde 11"))) OR ("verh.ben.dt.gold.hno-heilkunde 1991"))) OR ("vers.bern.dt.gel.hno-heilkunde 15.15")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"very.bern.dt.geld.hno-heilkunde 10\") OR (\"very.born.dt.geld.hno-heilkunde 10\"))) or (\"verh.bern.dt.geld.hno-heilkunde 11\"))) or (\"verh.ben.dt.gold.hno-heilkunde 1991\"))) or (\"vers.bern.dt.gel.hno-heilkunde 15.15\"))".
• Removing quotes may allow a broader search: (((((((( very.bern.dt.geld.hno-heilkunde 10 ) OR ( very.born.dt.geld.hno-heilkunde 10 ))) or ( verh.bern.dt.geld.hno-heilkunde 11 ))) or ( verh.ben.dt.gold.hno-heilkunde 1991 ))) or ( vers.bern.dt.gel.hno-heilkunde 15.15 )).
• Adding a wildcard symbol may retrieve word variants: (((((((("very.bern.dt.geld.hno-heilkunde 10") OR ("very.born.dt.geld.hno-heilkunde 10"))) or ("verh.bern.dt.geld.hno-heilkunde 11"))) or ("verh.ben.dt.gold.hno-heilkunde 1991"))) or ("vers.bern.dt.gel.hno-heilkunde 15.15"))*.