Perhaps you should try some spelling variations:
technology energy » technology early, technology emerging, technology experts
de communication » mobile communication, online communication
4 developpement » de developpement, le developpement, et developpement
information 3 » information 2
des afrique » en afrique, de l'afrique
proces de » proceso de, proches de, procesos de
3 proces » 3 process, 2 proces, 1.3 proces
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology energy information 3 proces de communication costs 4 developpement des afrique.*.