Perhaps you should try some spelling variations:
transformation cluster » transformation chapter, transformations chapter, transformation case
green transformation » great transformation, green transportation, grossen transformation
marine transport » maritime transport, carbon transport
cluster across » clusters across
transport a » transport _, transport data
ideas und » ideal und, ideale und, ias und
und green » und grenzen, und greifen, und gremien
cold » could, old, col

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: (( ideas und green transformation cluster across ) OR ( language _ marine transport a cold ))~.
• Adding a wildcard symbol may retrieve word variants: (( ideas und green transformation cluster across ) or ( language _ marine transport a cold ))*.