Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
integration deep » integration sleep, integration der, integration des
developpement en » developpement et, developpement des, developpement de
der integration » zur integration, sector integration
2 communication » 3 communication, 4 communication, 1 communication
technology der » technology does, technology 4ir, technology dlt
costs au » costs a, costs amy, costs _
trade 2 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology der integration deep trade 2 communication costs au developpement en afrique.*.