Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
insulation base » insulation case, insulation glass, insulation layer
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
base price » sale price
price 4.2 » prices 4.2, price 4.4, price 2.2
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology _ insulation base price 4.2 communication costs a developpement l afrique.*.