Perhaps you should try some spelling variations:
matter interactions » matter interaction, computer interaction
techniques matter » techniques chapter, techniques adapted, techniques based
amp communication » up communication, data communication, de communication
interactions et » interactions pt, interactions best, interactions few
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
data amp » data a, data als
et data » det data, pet data, set data
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: techniques matter interactions et data amp communication costs 2 development li afrique.*.