Perhaps you should try some spelling variations:
educational disparities » educational authorities, educational distribution
agricultural industries » agricultural inputs
rationale disparities » national disparities, regional disparities, regionale disparitaten
industries great » industry great, industries japan, industries a
great life » great fire, great love

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

• Performing a fuzzy search may retrieve terms with similar spellings: agricultural industries great life ((rationale disparities) or (educational disparities)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: agricultural industries great life ((rationale disparities) OR (educational disparities))..
• Adding a wildcard symbol may retrieve word variants: agricultural industries great life ((rationale disparities) or (educational disparities)).*.