Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
information man » information many, information means, information mart
a developpement » au developpement, de developpement, le developpement
e information » e informacion, age information, die information
technology e » technology 1, technology 3, technology 4
man spaces » making spaces, urban spaces, maker spaces
spaces 2.1 » space 2.1, spaces 1.1, spaces 1
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology e information man spaces 2.1 communication costs a developpement de afrique.*.