Perhaps you should try some spelling variations:
agricultural subsidies » agricultural residues, agricultural policies
agricultural species » horticultural species, agricultural aspects, agricultural space
22cultural studies » cultural sudies, agricultural studies, structural studies

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

• If you are trying to use Boolean operators, they must be ALL CAPS: %((((22cultural studies) OR (cultural studies))) OR (((agricultural species) OR (agricultural subsidies)))) AND transdisciplinarity in education%22.
• Adding a wildcard symbol may retrieve word variants: %((((22cultural studies) or (cultural studies))) or (((agricultural species) or (agricultural subsidies)))) and transdisciplinarity in education%22*.