Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
integration work » integrating world, integration framework, integration 3
du developpement » de developpement, le developpement, et developpement
dis integration » disintegration _
developpement l » developpement il, developpement la, developpement de
technology dis » technology does, technology 4ir, technology dlt
work trade » pork trade, world trade, work travel
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
l afrique » en afrique
costs du » 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 dis integration work trade 6.2 communication costs du developpement l afrique.*.