Perhaps you should try some spelling variations:
transforming cities » transforming business
roles transforming » roads transforming, forces transforming, models transforming
cities across » societies across, cities actions, cities address
transport can » transport a, transport cost, transport data
langages de » languages do, langage le, langues de
ideas und » ideal und, ideale und, ias und
und roles » und rollen, und rolle, und rohe
can add » can aid
de air » does air

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 roles transforming cities across ) OR ( langages de air transport can add ))~.
• Adding a wildcard symbol may retrieve word variants: (( ideas und roles transforming cities across ) or ( langages de air transport can add ))*.