Perhaps you should try some spelling variations:
test developpement » test development, et developpement, de developpement
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
developpement en » developpement et, developpement des, developpement de
technology gaps » technology gap
gaps inflation » has inflation, grade inflation, rapid inflation
rate space » state space, trace space, safe space
costs test » costs cost
space 1.3 » space 10.3, space 11.3, space 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation rate space 1.3 communication costs test developpement en afrique.*.