Perhaps you should try some spelling variations:
d'une communication » de communication, prone communication, true communication
clean development » human development, urban development
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 relation » 3.2 correlation, 3.2 relationship
relation pre » relation de, relations pr, relation entre
crisis d'une » crisis due, crisis desde, crisis de
costs clean » costs clear
pre crisis » price crisis
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 relation pre crisis d'une communication costs clean development a aortic.*.