Perhaps you should try some spelling variations:
handelskammer » handelnkammer (Expand Search)
handels- » handeln- (Expand Search)
handeltkammer » handelnkammer (Expand Search)
handelt- » handeln- (Expand Search)
handelte- » handelne- (Expand Search), handeln- (Expand Search), handle- (Expand Search)
gehandelt- » gehandeln- (Expand Search)
handelne- » handeln- (Expand Search), handelten- (Expand Search), wandelnde- (Expand Search)

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: (darin OR daran) ---> (handelskammer OR handeltkammer) <munchen>: ((((handels- OR handelt-) OR (handelte- OR handelne-)) OR gehandelt-) OR handel-) und gewerbeadreßbuch~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(darin or daran) ---> (handelskammer or handeltkammer) <munchen>: ((((handels- OR handelt-) or (handelte- or handelne-)) or gehandelt-) or handel-) und gewerbeadreßbuch~".
• Adding a wildcard symbol may retrieve word variants: (darin or daran) ---> (handelskammer or handeltkammer) <munchen>: ((((handels- OR handelt-) or (handelte- or handelne-)) or gehandelt-) or handel-) und gewerbeadreßbuch*.