Perhaps you should try some spelling variations:
transfer insulation » transfer innovation, transfer simulation, transfer simulations
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
insulation wage » insulation case, insulation layer, insulation glass
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
rate 6.2 » rates 6.2, rate 4.2, rate 5.2
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 transfer insulation wage rate 6.2 communication costs a developpement de afrique.*.