Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers selecting » transfers reducing, transfers developing
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
4.2 developpement » 4.2 development, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
selecting a » selecting _
du afrique » en afrique, l afrique, de l'afrique
rates 4.2 » rates 4.5
a rates » 4 rates, a rate, gas rates

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

• Adding a wildcard symbol may retrieve word variants: technology transfers selecting a rates 4.2 communication costs 4.2 developpement du afrique.*.