Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
integration wage » integration wege, integration wie, integration work
developpement de » developpement des, developpement durable
4ir integration » zur integration, der integration, 4 integration
4 developpement » de developpement, le developpement, et developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
rate 4.2 » rates 4.2, rate 4.3, rate 5.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration wage rate 4.2 communication costs 4 developpement de afrique.*.