Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
4ir integration » zur integration, der integration, 4 integration
integration wie » integration sowie, integration wage, integration wege
4 communication » 3 communication, 5.4 communication, de communication
a developpement » au developpement, de developpement, le developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
wie trade » die trade, we trade, white trade
trade 4 » trade _, trade a
costs a » costs _, costs 4

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

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