Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
its interactions » des interactions, les interactions, 10 interactions
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technology its » technology isst, technology ict, technology ii
interactions a » interactions _, interactions 4, interactions among
problems 2.2 » problem 2.2, problems 3.3, problems _
a problems » a problem, 2 problems, 3 problems
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 problems 2.2 communication costs 4 developpement en afrique.*.