Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technologien zur » technologien fur, technologien des, technologien und
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
trade 4.1 » trade 2.2, trade 3.2
l afrique » en afrique
3 trade » 1 trade, 4 trade, 2 trade
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: technologien zur integration 3 trade 4.1 communication costs 4 developpement l afrique.*.