Perhaps you should try some spelling variations:
communication safe » communication space, communication state, communication spaces
clean development » human development, urban development
formation across » information across, variation across, variations across
3 communication » 4 communication, de communication, data communication
technologien 1 » technologies 1, technologien _, technologien 4
development il » development ii, development iv, development ix
1 formation » 1.2 formation, de formation, en formation
il afrique » l afrique, en afrique
nine 3 » nine _, line 3, eine 3

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 formation across nine 3 communication safe clean development il afrique.*.