Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technologien des » technologien fur, technologien und, technologies 2
integration work » integrating world, integration framework, integration 3
developpement en » developpement et, developpement des, developpement de
des integration » dis integration, res integration, gis integration
a developpement » au developpement, de developpement, le developpement
work trade » pork trade, world trade, work travel
trade 2.2 » trade 3.2, trade 4.1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des integration work trade 2.2 communication costs a developpement en afrique.*.