Perhaps you should try some spelling variations:
"agriculture forestry" » "agriculture firstry", "agriculture westry", "agriculture fastry"
"agriculture forest" » "agriculture first", "agriculture west", "agriculture fast"
"culture industry" » "cultural industry", "picture industry", "agriculture 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: (("culture industry") OR ((("agriculture forestry") OR ("agriculture forest")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"culture industry\") or (((\"agriculture forestry\") OR (\"agriculture forest\"))))".
• Removing quotes may allow a broader search: (( culture industry ) or ((( agriculture forestry ) OR ( agriculture forest )))).
• Adding a wildcard symbol may retrieve word variants: (("culture industry") or ((("agriculture forestry") OR ("agriculture forest"))))*.