Perhaps you should try some spelling variations:
matter interactions » matter interaction, computer interaction
techniques matter » techniques chapter, techniques adapted, techniques based
interactions cost » interactions case, interactions best, interactions across
put communication » post communication, et communication, get communication
cost data » test data
1 afrique » l afrique, en afrique, 1 enrique
data put » data pt, data input, data part
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 cost data put communication costs 2 development 1 afrique.*.