Perhaps you should try some spelling variations:
developpement la » developpement de, developpement et, developpement du
du developpement » de developpement, le developpement, et developpement
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
integration wie » integration sowie, integration wage, integration wege
4 communication » 3 communication, 5.4 communication, de communication
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
la afrique » l afrique, la fabrique, en afrique
wie trade » die trade, we trade, white trade
costs du » costs _, costs 4, costs a
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 4.2 integration wie trade 4 communication costs du developpement la afrique.*.