Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
integration wie » integration sowie, integration wage, integration wege
1 integration » 10 integration, 11 integration, 12 integration
technology 1 » technology _
de afrique » de l'afrique, en afrique, l afrique
wie trade » die trade, we trade, white trade
trade 4.1 » trade 2.2, trade 3.2
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 1 integration wie trade 4.1 communication costs du developpement de afrique.*.