Perhaps you should try some spelling variations:
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
insulation basic » insulation case, education basic, insulation glass
technology base » technology based, technology case, technology best
base insulation » base isolation, cable insulation, noise insulation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
services 1.4 » services 2.4, services 1994, services 10.3
l afrique » en afrique
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 base insulation basic services 1.4 communication costs 4 developpement l afrique.*.