Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
rate information » trade information, care information, age information
information what » information war, information when, information wants
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
technology rate » technology state, technology role, technology related
what space » what place, what stage, what state
space 4.2 » space 3.2, space 2.2, space 4.3
costs le » 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 rate information what space 4.2 communications costs le developpement en afrique.*.