Perhaps you should try some spelling variations:
heilkunde 15.15 » heilkunde 5.1, heilkunde 11
verse.born.dt.ges.hno-heilkunde » verse.born.dt.gets.hno-heilkunde, verse.born.dt.gels.hno-heilkunde, verse.born.dt.gems.hno-heilkunde
verh.born.dt.germ.hno-heilkunde » very.born.dt.germ.hno-heilkunde, ver.born.dt.germ.hno-heilkunde, vers.born.dt.germ.hno-heilkunde
verh.born.dt.gerd.hno-heilkunde » very.born.dt.gerd.hno-heilkunde, ver.born.dt.gerd.hno-heilkunde, vers.born.dt.gerd.hno-heilkunde, verh.born.dt.geld.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: (( verse.born.dt.ges.hno-heilkunde 15.15 ) OR ((( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 15.15 ) OR ( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 5.1 )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( verse.born.dt.ges.hno-heilkunde 15.15 ) or ((( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 15.15 ) or ( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 5.1 ))))".
• Adding a wildcard symbol may retrieve word variants: (( verse.born.dt.ges.hno-heilkunde 15.15 ) or ((( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 15.15 ) or ( (verh.born.dt.germ.hno-heilkunde OR verh.born.dt.gerd.hno-heilkunde) 5.1 ))))*.