Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement l » developpement il, developpement la, developpement de
3 interactions » 3 interaction, 4 interactions, 3.3 interactions
interactions a » interactions _, interactions 4, interactions among
technology 3 » technology _, technology 1, technology 4
problems 2.2 » problem 2.2, problems 3.3, problems _
a problems » a problem, 2 problems, 3 problems
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 3 interactions a problems 2.2 communication costs 4.2 developpement l afrique.*.