Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
le developpement » de developpement, sme development
technology u.s » technology uses, technology 2.2, technology use
u.s innovation » does innovation
des afrique » en afrique, de l'afrique
what space » what place, what stage, what state
space 2.7 » space 2.1, space 2.2, space 2.3
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology u.s innovation what space 2.7 communication costs le developpement des afrique.*.