Perhaps you should try some spelling variations:
development formation » development information, development formative, development oration
industrial developing » industries developing, industry developing, industrial developments
developing coherent » developing government, developing forest, developing placement
formation period » fermentation period, transformation period, probation period
coherent period » coherent pension, government period, deferment period

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