Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
its interactions » des interactions, les interactions, 10 interactions
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology its » technology isst, technology ict, technology ii
interactions a » interactions _, interactions 4, interactions among
problem 2.7 » problem 2.1, problem 2.2, problem 2.3
a problem » das problem
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology its interactions a problem 2.7 communication costs 4 developpement l afrique.*.