Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
des developpement » des developpements, de developpement, le developpement
communication 2 » communication _, communication a, communication 3
technology age » technology usage, technology wages, technology a
age inflation » wage inflation, wages inflation, area inflation
des afrique » en afrique, de l'afrique
rate space » state space, trace space, safe space
space 3.2 » space 2.1
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technology age inflation rate space 3.2 communication 2 des developpement des afrique.*.