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

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 10") OR ("verh.ben.dt.geld.hno-heilkunde 18"))) OR ("verso.bern.dt.gel.hno-heilkunde 15.15")).
• Removing quotes may allow a broader search: (((( verb.bern.dt.geld.hno-heilkunde 10 ) or ( verh.ben.dt.geld.hno-heilkunde 18 ))) or ( verso.bern.dt.gel.hno-heilkunde 15.15 )).
• Adding a wildcard symbol may retrieve word variants: (((("verb.bern.dt.geld.hno-heilkunde 10") or ("verh.ben.dt.geld.hno-heilkunde 18"))) or ("verso.bern.dt.gel.hno-heilkunde 15.15"))*.