Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
generation age » generation rate, generation auer, generation a
technology a » technology 1, technology 3, technology 4
a generation » gas generation, heat generation, coal generation
age space » angle space, image space, large space
space 6.2 » spaces 6.2, space 3.2, space 2.2
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 a generation age space 6.2 communication _ a developpement l afrique.*.