Perhaps you should try some spelling variations:
firms integration » dis integration, res integration, focus integration
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology firms » technology from, technology platforms, technology fund
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
travel 2.7 » travel 2.2, travel 3.7, travel 3.4
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology firms integration _ travel 2.7 communication costs et developpement de l'afrique.*.