Perhaps you should try some spelling variations:
deux developpement » deux developpements, de developpement, du developpement
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
integration work » integrating world, integration framework, integration 3
developpement de » developpement des, developpement durable
r integration » 3 integration, 2 integration, 4 integration
technology r » technology 1, technology 3, technology 4
work trade » pork trade, world trade, work travel
de afrique » de l'afrique, en afrique, l afrique
trade 6.2 » trade 2.2, trade 3.2, trade 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology r integration work trade 6.2 communication costs deux developpement de afrique.*.