Perhaps you should try some spelling variations:
insulation 9.3.1.3 » insulation 3.1.2, insulation 5.3.4, simulation 3.3.1.3
8.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technology coil » technology cost, technology code, technology choice
coil insulation » cable insulation, noise insulation, common insulation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
9.3.1.3 price » 3.3.3 price, 3.2.3 price, 3.3.1 price
price 8.2 » prices 8.2, price 2.2, price 3.2
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 coil insulation 9.3.1.3 price 8.2 communication costs 4 developpement l afrique.*.