Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
developpements de » developpement de, developpement des, developpement du
21st integration » post integration, test integration, 2 integration
integration what » integrating what, interaction what, integration work
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
3 communication » 4 communication, de communication, data communication
what trade » wheat trade, hat trade, what made
de afrique » de l'afrique, en afrique, l afrique
trade 3 » 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 21st integration what trade 3 communication costs deux developpements de afrique.*.