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
developpement de » developpement des, developpement durable
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
trade 4.1 » trade 2.2, trade 3.2
we trade » e trade, die trade, one 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 we trade 4.1 communication costs 4 developpement de afrique.*.