Perhaps you should try some spelling variations:
educational disparities » educational authorities, educational distribution
cultural industry » culture industry, subcultural industry, cultural industries
great cases » great lakes, great class, great mass
great apes » great ape, great lakes, great acts
peat fire » great fire, post fire

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

• Performing a fuzzy search may retrieve terms with similar spellings: cultural industry ((peat fire) or (((great apes) OR (great cases)))) educational disparities.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cultural industry ((peat fire) OR (((great apes) OR (great cases)))) educational disparities..
• The words AND, OR and NOT may confuse the search; try adding quotes: "cultural industry ((peat fire) or (((great apes) OR (great cases)))) educational disparities.".
• Adding a wildcard symbol may retrieve word variants: cultural industry ((peat fire) or (((great apes) OR (great cases)))) educational disparities.*.