Perhaps you should try some spelling variations:
information spaces » information space, information states, information sources
de communication » mobile communication, online communication
spaces based » space based, spaces case, spaces cases
4 developing » 3 developing
developing a » developing _
a afrique » l afrique, en afrique
based de » based dm, based debt, based deep
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 _ information spaces based de communication costs 4 developing a afrique.*.