Perhaps you should try some spelling variations:
"industrial development forestry operation" » "industrial development forest operation", "industrial development forests operation", "industrial development country operation", "industrial development forestry operations", "industrial development forest operations"
"industrial development policies survey" » "industrial development policy survey", "industrial development projects survey", "industrial development policies sources", "industrial development policies series", "industrial development policies seven"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("industrial development forestry operation") or ("industrial development policies survey"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("industrial development forestry operation") OR ("industrial development policies survey")).
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