Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
sme developpement » sme development, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology uses » technology users, technology use, technology used
uses innovation » user innovation, use innovation, does innovation
innovation rate » innovation race, innovation create, innovation state
rate wage » rates wage, rate water, base wage
costs sme » costs some, costs amy
wage 2.2 » wage 4.2.2

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

• Adding a wildcard symbol may retrieve word variants: technology uses innovation rate wage 2.2 communication costs sme developpement en afrique.*.