Perhaps you should try some spelling variations:
industrial developing » industries developing, industry developing, industrial developments
developing coherent » developing government, developing forest, developing placement
development forest » development forests, development first, development foreign
coherent period » coherent pension, government period, deferment period
forest period » first period, rest period, rest periods

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( industrial development forest period ) or ( industrial developing coherent period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( industrial development forest period ) OR ( industrial developing coherent period )).
• Adding a wildcard symbol may retrieve word variants: (( industrial development forest period ) or ( industrial developing coherent period ))*.