Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
process integrating » process integration, process integrated, processes integration
4 communications » 14 communications, 4 communication, 2 communications
developpement du » developpement de, developpement des, developpement et
ecology process » technology process, economic process, recovery process
integrating new » integrating _, integrating a, integrating gender
4 developpement » de developpement, le developpement, et developpement
du afrique » en afrique, l afrique, de l'afrique
trade 4 » trade _, trade a
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: ecology process integrating new trade 4 communications costs 4 developpement du afrique.*.