Perhaps you should try some spelling variations:
6.6 communication » 7.6 communication, 11.6 communication, 26.3 communication
insulation layer » insulation case, interaction layer, translation layer
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
technology 2.2 » technology _, technology 1, technology 3
2.2 insulation » 2.2 isolation, 2.2 konsultation, 2.2 circulation
layer prices » lower prices, water prices, labour prices
prices 6.6 » prices 4.6, prices 2.4, prices 2.1
de afrique » de l'afrique, en afrique, l afrique
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 insulation layer prices 6.6 communication costs le developpement de afrique.*.