Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
technology price » technology rich, technology voice, technology service
price insulation » price inflation, price regulation, price indexation
4 developpement » de developpement, le developpement, et developpement
insulation e2 » insulation _, insulation 3.1.2, insulation layer
process 5.4 » process 2.4, process 5.1, process 5.2
des afrique » en afrique, de l'afrique
e2 process » 2 process, 12 process, 4.2 process
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 price insulation e2 process 5.4 communication costs 4 developpement des afrique.*.