Perhaps you should try some spelling variations:
heilkunde 10 » heilkunde 1, heilkunde 11, heilkunde 18
heilkunde 16 » heilkunde 6, heilkunde 1, heilkunde 11
verh.been.dt.gel.hno-heilkunde » very.been.dt.gel.hno-heilkunde, ver.been.dt.gel.hno-heilkunde, vers.been.dt.gel.hno-heilkunde
verh.been.dt.god.hno-heilkunde » very.been.dt.god.hno-heilkunde, ver.been.dt.god.hno-heilkunde, vers.been.dt.god.hno-heilkunde, verh.been.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: (( verh.been.dt.gel.hno-heilkunde 10 ) OR ( verh.been.dt.god.hno-heilkunde 16 )).
• Adding a wildcard symbol may retrieve word variants: (( verh.been.dt.gel.hno-heilkunde 10 ) or ( verh.been.dt.god.hno-heilkunde 16 ))*.