Perhaps you should try some spelling variations:
transfer integration » transport integration, transfer integrated, transfer intervention
developpement en » developpement et, developpement des, developpement de
integration wie » integration sowie, integration wage, integration wege
1 communication » 10 communication, 3 communication, 4 communication
4 developpement » de developpement, le developpement, et developpement
wie trade » die trade, we trade, white trade
trade 1 » trade _, trade a, trade 4
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: technology transfer integration wie trade 1 communication costs 4 developpement en afrique.*.