Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
integration wie » integration sowie, integration wage, integration wege
4 communication » 3 communication, 5.4 communication, de communication
de afrique » de l'afrique, en afrique, l afrique
wie trade » die trade, we trade, white trade
costs au » costs a, costs amy, costs _
trade 4 » trade _, trade a

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

• Adding a wildcard symbol may retrieve word variants: technology _ integration wie trade 4 communication costs au developpement de afrique.*.