Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
integration wage » integration wege, integration wie, integration work
developpement de » developpement des, developpement durable
dis integration » disintegration _
4 developpement » de developpement, le developpement, et developpement
technology dis » technology does, technology 4ir, technology dlt
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
rate 6.2 » rates 6.2, rate 4.2, 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 dis integration wage rate 6.2 communication costs 4 developpement de afrique.*.