Perhaps you should try some spelling variations:
transforming firms » transforming farms, transforming lives, transforming funds
cities transport » city transport, cities transformed, china's transport
und references » end references, land references, used references
transport cost » transport costs
firms across » farms across, firms access, fire across
language do » language dot, languages do, language co
ideas und » ideal und, ideale und, ias und
do cities » do citizens, two cities, did cities
cost cash » costs cash, costs case, cost base

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 references transforming firms across ) OR ( language do cities transport cost cash ))~.
• Adding a wildcard symbol may retrieve word variants: (( ideas und references transforming firms across ) or ( language do cities transport cost cash ))*.