Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
matter interactions » matter interaction, computer interaction
type communications » egypt communications, paper communications, face communications
interactions trust » interactions best, interactions through, interactions across
techniques matter » techniques chapter, techniques adapted, techniques based
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
trust data » trusted data, trust debate, trust update
data type » data types
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: techniques matter interactions trust data type communications costs a developpement en afrique.*.