Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
integration 5.1.3 » integration 2.1.3, integration 5.1.1, integration 5.1.5
developpement en » developpement et, developpement des, developpement de
2 communication » 3 communication, 4 communication, 1 communication
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
5.1.3 trade » 5.1.4 trade, 5.3.3 trade, 5.3 trade
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 3 integration 5.1.3 trade 2 communication costs deux developpement en afrique.*.