Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
1 communications » 10 communications, 14 communications, 1 communication
developpement en » developpement et, developpement des, developpement de
based inflation » cases inflation, based information, based innovation
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
space 1 » space _, space a, space 4
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 based inflation rates space 1 communications costs 4 developpement en afrique.*.