Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
process integration » process innovation, process information
4 communications » 14 communications, 4 communication, 2 communications
ecology process » technology process, economic process, recovery process
developpement l » developpement il, developpement la, developpement de
integration 1 » integration 3, integration 4, integration 2
l afrique » en afrique
1 trade » 4 trade
trade 4 » trade _, trade a

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

• Adding a wildcard symbol may retrieve word variants: ecology process integration 1 trade 4 communications costs _ developpement l afrique.*.