Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
2.3 communication » 3.2 communication, de communication, 4 communication
integration 21st » integration 21.4, integration 2.1.1, integration 2.1.3
developpement en » developpement et, developpement des, developpement de
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
21st trade » east trade, 21 trade, best trade
trade 2.3 » trade 2.2, trade 2.1, trade 1.3

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integration 21st trade 2.3 communication costs deux developpement en afrique.*.