Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
integration wage » integration wege, integration wie, integration work
developpement en » developpement et, developpement des, developpement de
res integration » dis integration, 1.2 integration, process integration
technology res » technology risk, technology r, technology risks
costs leur » costs clear
wage rate » wage rates
rate 4.2 » rates 4.2, rate 4.3, rate 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology res integration wage rate 4.2 communication costs leur developpement en afrique.*.