Perhaps you should try some spelling variations:
very.been.dt.geld.hno-heilkunde » very.been.dt.gold.hno-heilkunde, very.been.dt.gel.hno-heilkunde
verb.bern.dt.good.hno-heilkunde » ver.bern.dt.good.hno-heilkunde, vers.bern.dt.good.hno-heilkunde, verb.born.dt.good.hno-heilkunde, verb.ben.dt.good.hno-heilkunde

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.been.dt.geld.hno-heilkunde OR verb.bern.dt.good.hno-heilkunde) 1991.
• Adding a wildcard symbol may retrieve word variants: (very.been.dt.geld.hno-heilkunde or verb.bern.dt.good.hno-heilkunde) 1991*.