Perhaps you should try some spelling variations:
information spaces » information space, information states, information sources
d1 communication » de communication, 1 communication, 4.1 communication
technology 2 » technology _, technology 1, technology 3
spaces cases » spaces case, spaces based, spaces places
4 developing » 3 developing
developing a » developing _
a afrique » l afrique, en afrique
cases d1 » cases 1, case d1, cases 3.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information spaces cases d1 communication costs 4 developing a afrique.*.