Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
process integration » process innovation, process information
10 communications » 10 communication, 14 communications, 2 communications
developpement de » developpement des, developpement durable
ecology process » technology process, economic process, recovery process
4 developpement » de developpement, le developpement, et developpement
integration we » integration wie, integration wage, integration wege
de afrique » de l'afrique, en afrique, l afrique
we trade » e trade, die trade, one trade
trade 10 » trades 10, trade 1, grade 10
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 integration we trade 10 communications costs 4 developpement de afrique.*.