Perhaps you should try some spelling variations:
mineralolindustrie _ » minerals industries
mineral industries » energy industries
mineral industry » minerals industry, metal industry, mining industry

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: %((((((materials industry) OR (materials industrial))) OR (((mineral industry) OR (mineralolindustrie _))))) OR (mineral industries))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((((materials industry) OR (materials industrial))) or (((mineral industry) or (mineralolindustrie _))))) or (mineral industries))%22".
• Adding a wildcard symbol may retrieve word variants: %((((((materials industry) OR (materials industrial))) or (((mineral industry) or (mineralolindustrie _))))) or (mineral industries))%22*.