Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
integration wages » integration wage, integration wege, integration wie
4 communications » 14 communications, 4 communication, 2 communications
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
1 integration » 10 integration, 11 integration, 12 integration
technology 1 » technology _
wages trade » wages race, wharves trade, states trade
l afrique » en afrique
trade 4 » trade _, trade a
costs e » 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: technology 1 integration wages trade 4 communications costs e developpement l afrique.*.