Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
2.3 communication » 3.2 communication, de communication, 4 communication
integration work » integrating world, integration framework, integration 3
developpement la » developpement de, developpement et, developpement du
4ir integration » zur integration, der integration, 4 integration
technology 4ir » technology 4, technology 4.1, technology 4.2
work trade » pork trade, world trade, work travel
costs leur » costs clear
la afrique » l afrique, la fabrique, en afrique
trade 2.3 » trade 2.2, trade 2.1, trade 1.3

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration work trade 2.3 communication costs leur developpement la afrique.*.