Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rural communications » oral communication, rural telecommunications, cultural communications
technology choices » technology choice, technology change, technology chapter
choices infusion » choices conclusion, services infusion, choices winston
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
infusion data » inclusion data, infection data
race rural » rate rural, space rural, race real
data race » data rate, data rates
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology choices infusion data race rural communications costs a developpement en afrique.*.