Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
usage information » age information, use information, wage information
technology usage » technology use, technology age, technology users
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
information war » information what, information wants, information when
war space » air space, war peace, war race
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology usage information war space 2.1 communications costs de developpement en afrique.*.