Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers insulation » transfer innovation, transfer simulation, transferts translation
2.3 communication » 3.2 communication, de communication, 4 communication
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
price 2.3 » price 3, price 4.4
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 transfers insulation _ price 2.3 communication costs 4 developpement de afrique.*.