Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
3.2 communication » 3 communication, 2.3 communication, de communication
developpements en » developpement en, developpement et, developpements de
integration 21st » integration 21.4, integration 2.1.1, integration 2.1.3
4 integration » 3 integration, 2 integration, 4.1 integration
technology 4 » technology _, technology 1, technology 3
21st trade » east trade, 21 trade, best trade
trade 3.2 » trade 2.2, trade 2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integration 21st trade 3.2 communication costs deux developpements en afrique.*.