Perhaps you should try some spelling variations:
developpement durable » developpement de
le developpement » de developpement, sme development
integration des » integration der, integration 3, integration 4
2 communication » 3 communication, 4 communication, 1 communication
technology zur » technology 4ir, technologien zur, technology _
des trade » does trade, des traces, des trames
costs le » costs _, costs 4, costs a
trade 2 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology zur integration des trade 2 communication costs le developpement durable afrique.*.