Perhaps you should try some spelling variations:
heilkunde 11 » heilkunde 1, heilkunde 10, heilkunde 18
heilkunde 16 » heilkunde 6, heilkunde 1, heilkunde 10
vers.been.dt.geld.hno- » verse.been.dt.geld.hno-, verso.been.dt.geld.hno-, very.been.dt.geld.hno-, vers.been.dt.gold.hno-, vers.been.dt.gel.hno-

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "vers.been.dt.geld.hno-((heilkunde 11) OR (heilkunde 16))".
• Adding a wildcard symbol may retrieve word variants: vers.been.dt.geld.hno-((heilkunde 11) OR (heilkunde 16))*.