Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
process integration » process innovation, process information
4.1 communications » 4.1 communication, 3.1 communications, 4.1 communicating
en developpement » et developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
economy process » economic process, economy problems, economy projects
integration de » integration der, integration des, l'integration de
du afrique » en afrique, l afrique, de l'afrique
trade 4.1 » trade 2.2, trade 3.2
de trade » die trade, e trade, we trade
costs en » 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: economy process integration de trade 4.1 communications costs en developpement du afrique.*.