Perhaps you should try some spelling variations:
heilkunde 15.15 » heilkunde 5.1, heilkunde 11
verh.born.dt.gel.hno-heilkunde » ver.born.dt.gel.hno-heilkunde, vers.born.dt.gel.hno-heilkunde, verb.born.dt.gel.hno-heilkunde
very.born.dt.gems.hno-heilkunde » very.born.dt.gets.hno-heilkunde, very.born.dt.gels.hno-heilkunde, very.born.dt.gem.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: (( verh.born.dt.gel.hno-heilkunde 15.15 ) OR ( very.born.dt.gems.hno-heilkunde 15.15 )).
• Adding a wildcard symbol may retrieve word variants: (( verh.born.dt.gel.hno-heilkunde 15.15 ) or ( very.born.dt.gems.hno-heilkunde 15.15 ))*.