Perhaps you should try some spelling variations:
arch foundation » arcus foundation, rauch foundation, search foundations
alfried krupp » fried krupp
von kohlen » von kohle
und arch » und archiv, und ar

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: alfried krupp ((von kohlen) OR (von zahlen)) und arch foundation.
• Adding a wildcard symbol may retrieve word variants: alfried krupp ((von kohlen) or (von zahlen)) und arch foundation*.