Perhaps you should try some spelling variations:
12.4.4 communication » 12.2.4 communication, 10.2.4 communication, 10.4.3 communication
technology channel » technology change, technology changes, technology chapter
channel simulation » change simulation, change simulations, channel modulation
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
care 12.4.4 » care 12.4.1, care 12.2.3, care 1.1.4
l afrique » en afrique
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 channel simulation _ care 12.4.4 communication costs de developpement l afrique.*.