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 de » developpement de, developpement des, developpement du
integration pork » integration work, integration post, integration report
r integration » 3 integration, 2 integration, 4 integration
technology r » technology 1, technology 3, technology 4
pork trade » book trade, export trade, import trade
de afrique » de l'afrique, en afrique, l afrique
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 r integration pork trade 3.2 communication costs deux developpements de afrique.*.