Perhaps you should try some spelling variations:
national disparities » regional disparities, educational disparities, spatial disparities
national capacities » national capacity, institutional capacities
study industrial » early industrial
industrial park » industrial parks, industrial base, industrial areas
park our » park r, work our

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "study industrial park our ((national disparities) OR (national capacities)).~".
• Adding a wildcard symbol may retrieve word variants: study industrial park our ((national disparities) OR (national capacities)).*.