Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
integration work » integrating world, integration framework, integration 3
developpement la » developpement de, developpement et, developpement du
dis integration » disintegration _
technology dis » technology does, technology 4ir, technology dlt
work trade » pork trade, world trade, work travel
costs leur » costs clear
la afrique » l afrique, la fabrique, en afrique
trade 2.7 » trade 2.2, trade 2.1, trade 4.7

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 2.7 communication costs leur developpement la afrique.*.