Perhaps you should try some spelling variations:
heilkunde 15.15 » heilkunde 11
heilkunde 5.1 » heilkunde 1, heilkunde 11, heilkunde 31
verh.ben.dt.gel.hno-heilkunde » very.ben.dt.gel.hno-heilkunde, ver.ben.dt.gel.hno-heilkunde, vers.ben.dt.gel.hno-heilkunde
verh.been.dt.gel.hno-heilkunde » very.been.dt.gel.hno-heilkunde, ver.been.dt.gel.hno-heilkunde, vers.been.dt.gel.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.ben.dt.gel.hno-heilkunde 15.15 ) OR ( verh.been.dt.gel.hno-heilkunde 5.1 )).
• Adding a wildcard symbol may retrieve word variants: (( verh.ben.dt.gel.hno-heilkunde 15.15 ) or ( verh.been.dt.gel.hno-heilkunde 5.1 ))*.