Perhaps you should try some spelling variations:
technology process » technology processing, technology projects, technology access
process integrated » process integration
leur developpement » le developpement, deux developpements, de developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement du » developpement de, developpement des, developpement et
costs leur » costs clear
du afrique » en afrique, l afrique, de l'afrique
trade 2.2 » trade 3.2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology process integrated _ trade 2.2 communication costs leur developpement du afrique.*.