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
park our » park r
work our » work four, work hour, work your

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

• Performing a fuzzy search may retrieve terms with similar spellings: study industrial ((park our) OR (work our)) ((national disparities) or (national capacities)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: study industrial ((park our) OR (work our)) ((national disparities) OR (national capacities))..
• The words AND, OR and NOT may confuse the search; try adding quotes: "study industrial ((park our) OR (work our)) ((national disparities) or (national capacities)).".
• Adding a wildcard symbol may retrieve word variants: study industrial ((park our) OR (work our)) ((national disparities) or (national capacities)).*.