Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
choice information » price information, change information, device information
5.4 communications » 5.4 communication, 1.4 communication, 14 communications
technology choice » technology change
information rates » information states, information ratio, information rules
development li » development lid, development lie, development lin
4 development » 2 development, 4 developing
rates case » rates cape, states case, rates east
li afrique » l afrique, en afrique
case 5.4 » case 5.2, case 5.3, case 1.4
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 choice information rates case 5.4 communications costs 4 development li afrique.*.